Soo who's played the demo?
I found it weird, the combat was..sluggish, if i swung left and then right immediately it wouldn't respond fast enough.
It could really have done with a combat tut and a bit more info about the skill tree cause i had no idea what i was doing. However, lets face it the games about dungeon crawling and getting loot and it did well in that, by the end of my playthrough i was level 8-9 and had this sexy golden dragon armour stuff.

Oh and a big warhammer that glowed blue.
Seems to follow World of Warcrafts sorta loot system, grey loot is average, then you have green,then blue not sure if it goes any higher though.
Story was confusing and made little sense to me, boss fights where kinda cool..wasn't a fan of those big robots cause they kept nocking me over (which was flipping annoying) and the small white robot bosses i found myself flipping them into the air and then just letting loose with my UBERR pistols that i found.
Think I'll get it although not sure just yet, would of been nice if they included online co-op in the demo but meh whatever, anyone else sold on it, theres 4 player co-op in the main game so i wouldn't mind hooking up with some people to play through.