I think the instance is just too huge and has lots and lots of scenery/objects in there - they just can't be bothered bringing it to the 'cataclysm standards' graphics.

@ NEX

ZG will still be there as a quest area, just not as an instanced raid. So it will be updated graphically along with everything else.

What I can't believe is that Blizz didn't answer the obvious follow up question that will instantly be on most people's minds when they read that post: "Will the ZG mounts still be available by other means?"

I'm guessing no but would love confirmation. :(

ZG's still the only place i remember seeing bamboo in game. correct me if i'm wrong.

as a zone it's actually still beautiful.
as a raid it has some interesting mechanics.

obviously, no one goes there now though, making the zone worthless unless they bought up to a higher level.. tbh, i would have been happy with a lvl80 ZG to tide us over the 10months we've had to deal with icc. 10 MONTHS! FFS blizz, what were you thinking?!

maybe it'll be the lvl 85 troll instance to tide us over until the expansion pack after cata