I picked it up on Thursday and didn't get around to playing it until today.
Definitely like it. Only got a few hours in so far, but I agree with the others it's a big improvement on the first.
Reached the "Eclipse" time zone. Got my *** handed to me readily. I had to double back and level up my Crystarium a bit, and reorganize my paradigms. I remember this happening to me quite often with bosses in FFXIII too.
At least this game lets you pretty much completely reset and area and do it again.
Edited, Feb 20th 2012 12:39am by TirithRR
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Can't sleep, clown will eat me.