The pacing's pretty bad too. Two hours before a new ability? And next to no item drops during that time? (Okay, I got some potions, two iron bangles and a weapon that I couldn't equip.) That's just bad design. You're feeding the player no reward. In practically every other current RPG, MMORPG or even action game, you get a nice steady drip of abilities and stuff. Two hours into WoW, and you'd be ~ lvl 10 and going after Hogger. Lotro? You'd be past the intro and prologue and around level 8 and would have done a couple of dozen quests in Middle Earth. Batman: AA? A couple new moves and probably either fighting a Titan or maybe in the Scarecrow scenes. Borderlands? A few quests down with a constant stream of new guns, the car and some power points. ME2? Probably grabbing the first recruit. CoD: MW2? Well, you'd be a third of the way through the game. GoW 3? Who knows yet, but you'd have killed several hundred things by that point. Pokemon? First trainer battle. But FFXIII? Oh, here's how to spend XP. We'll add Paradigms in an few.
Yes, and I'd agree that the pacing is pretty slow. But I am very used to that with Final Fantasy. Final Fantasies don't really start off with a bang as far as gamplaying action. There are many cinemas and other actiony things going on, but normally you're stuck fighting insects and tiny rodents for the first eight hours of a Final Fantasy. I count a few of the enemies we've seen so far as a plus.

But I do agree that they could've done a bit more with the pacing. I think it's actually kind of funny that, with every Final Fantasy that comes out, they treat you like this is your first Final Fantasy and/or your first RPG ever played, ever. I think about 90% of people that play Final Fantasies are just nerds like me who've played the majority of them and don't need to be told what an Eidolon is or how to advance your character on a sphere-grid system.
The gameplay? Not impressed so far. The dungeons are even more linear than described.
Yeah, I've been noticing that, as well. But, again, I'm used to that in a Final Fantasy. Just like I'm used to 85% of the offshoots leading to totally nothing. When that happens, my husband and I always chorus out, "Thanks, Square." They're notorious for having one offshoot in a level, and having that lead you nowhere.
I've heard some proclaim it to be the best RPG combat system ever! I don't concur.
.....Eww, for real?? I don't concur with that, either. It's an OKAY battle system, but it's got nothing that would make it the best battle system ever. Nothing new, nothing exciting, nothing super tactical. Even the timing system in Lost Odyssey had more to it than what they brought to the table in FF XIII.
...Yeah, it's a pretty good game so far. Like I said, it's got some disappointments. But I'm trying my hardest to just let all of my expectations go, and play it as an RPG and not as a Final Fantasy. It's working, so far.