Bought this a few days ago and sunk several hours into it over the past two days (mostly today.) Awesome, awesome game, but, as a PS3 player, it is frustrating. First, it was just the stutter (which, I noticed, does not occur at all during boss fights), but now I'm getting freezes at seemingly random moments every 30-45 minutes that requires a full system restart. Annoying. Also, I noticed as you progress further into the game, there are more and more enemies placed in areas that require you to jump and shoot to hit them. This doesn't make the enemy challenging or fun to contest, it just makes him/her a pain in the ass.
Beyond that, however, I can't really find any glaring faults! The art is varied and stylish, the characters are unique and engaging, and the variety in enemies is especially nice. Once the patch comes out, the game will be excellent.
And now it's time for me to reboot my system and get back in.