I pre-ordered the game on Steam and I'm actually glad I did after playing some of the demo last night. Nice graphics, smooth combat, and good music. It feels like a positive evolution in the Dungeon Siege series.
The only thing I'm a bit iffy on is the inventory screen. With how much loot you obtain, it would be nice to have snap access to the equipment menu. Unless there's a shortcut I'm unaware of, I had to click through a couple of things to get there. Not a huge deal, but could become cumbersome if the loot rate is that constant.
Overall, it's a thumbs up from me - great work, Obsidian!