Prior to patch 3.0.3 Titan's Grip had a 15% miss penalty. That penalty has been reduced to an astounding 5%. What does this mean? It means that you're pretty much going to hit 10% more then what you used to when you have Titan's Grip talented.
10% more means 10% more crits and 10% more yellow damage. Of course, these numbers end up being a bit different in practice than in theory crafting (and some will even correctly say that 10% more chances for damage is an oversimplification - and they would be right, and that's another article), but they're still a good base to look at when talking theoretically about the class.
The simple jist of it is Titan's Grip just became a whole lot sexier.
Continue reading on after the break for more changes to the Warrior class in 3.0.3.