This is a side of the story. And I do understand where you are coming from. But for me personally those sound awsome. The fact that these will "put" the same level of gear on all players and let the skill of those players decide the "fate" of the run is awsome in my eyes. There will be a lot of crash and burn's trying to do these but still. And if I have my 2 friends (which also love hard dungeons) we will do great...better yet we will have fun. So for me personally will be pure joy :))
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Knowledge is limited, imagination encircles the world!"

Totally agreed, Cheb
I totally understand the idea behind it, but considering the general attitude in LFD-runs, which already is "Gogogo!", I don't see myself queueing for a challenge run.
There are great people in LFD, sure, but a lot of times, you get the kind of group where people become very rude if the tank isn't pulling like a maniac, tries to plan a pull or whatever.
Of course there are people who look forward to Challenge Dungeons, but as a healer, I don't look forward to it, especially because of the good ol "Blame the healer", even when it's a totally impossible overpull or people stood in stuff and got insta killed... you're facing a shouting match or a votekick when its not even your fault.
I might be pessimistic, but I do believe that challenge dungeons will make people behave even more recklessly, or they will be even more uptight and rude when things don't go their way or someone doesn't measure up to their (often lofty) expectations, so I can see a lot of drama going on there!

...and yes, of course, those challenge modes are optional, but the question was what we are not that excited about, and when I heard Chilton announce the CM at Blizz, my first thought was "Yes, RIGHT, that's EXACTLY what the community needs..." =)
I assume I might try it with guildies, but not with PUGs...

I was under the impression you couldn't que directly for challenge modes, because they would be impossible to complete. I know I read that somewhere...

As it stands, you can't queue randomly for Challenge Runs. That way they don't have to keep them at a level where strangers with no coordination can complete them.

Ugh, fail. By que directly, I mean que for a PuG. I thought you had to have a complete group before you could go in.

I totally agree. I love the landscape, the talents look great, the farming and pet battles are super, but challenge modes, they seem so boring, just the same content again but faster, as if that wasn't what you ended up doing when bored anyway. It's annoying that they have unique prizes I'm going to want, so I will feel forced to do them.

Yup, I can't say challenge modes thrill me either. They strike me as a throw back to vanilla and BC where people would only take certain class combinations to instances. I fully expect to see ppl setting up a run and not wanting to take a specific class, or wanting a specific class for a particularly ability. I hated it at the time, and I dont' want to see it back in the game.

It also seems to me to be something that people will take extremely seriously - which isn't a bad thing but I tend to avoid things that people take extremely seriously in case I screw up and wreck the whole thing for them.

I doubt I will ever do a challenge mode, and yes I am also a healer. Nerfed gear level, limited mana pool, no time to drink between pulls... what could possibly go wrong?

Nerfed gear level? Great, I can't overgear it and make it dull.
Limited mana pool? Wonderful, I have to heal smart.
No time to drink? Fantastic, I have to manage my mana cooldowns intelligently.

To answer your final question, and to prevent this from sounding like I'm saying your opinion is wrong (it isn't), LOTS of things can go wrong. And that's the point; without a point of failure, challenge modes will not be interesting to me.

To answer the original question, pet battles. I've played pokemon for 10 years, I think I'm all done with that.

Personally I think people are looking at this from the wrong angle. If anything I think depending on how it's implemented exactly it could be a -great- tool for raiding guilds in recruiting new applicants to their guild, because as gear is made universal you can test the strength of that new hunter who wants to join your guild rocking blues and greens, and know whether or not he can actually play his class well when given the gear or not. This allows guilds to take a chance on someone whose gear may be behind the curve. So often it's frustrating when you get someone who sounds good on paper that you have no way of checking out until you give them a shot. When you have a very small guild any new people you bring in has the power to upset the apple cart, so it's important to bring in the right people. This will allow smaller guilds to not feel as if they "waste" gear on a trial who just can't / wont ever hold their own weight -- and it can give those without tons of achievements or previous HM history a chance to show they have the chops to perform.

I also think that for those players whom maybe do not like guilds but are talented that their individual realm ranking for challenge modes can somewhat serve as their badge of honor or proof that they know what they're doing when trying to get into pugs? I think that it gives those whom don't go the guild route a chance for their characters to still have personal progression.

It makes it so not just the top tier arena players and top tier raid guilds get any type of recognition or personal glory. It gives joe-schmoe the chance to say you know what, I am awesome to, here is my gold ranking to prove it...

I was SO excited for challenge modes when they were first announced. I had visions of teams working like well oiled machines. Every pull thought through with CC and kill order. Then I heard that the measuring stick for skill would be how fast you got through. Not exactly the type of system that rewards planning as much as full on bum rushing. Its too bad they couldn't rate you on something like fewest wipes or something like that.