Life keeps interfering (and LoU) so I've barely made it out of Gorhart at this point, about 4 hours of play. I think GA covers it pretty well. I'm enjoying what I've seen and already experiencing quest overload like I did with Skyrim. Every where I turn someone is too damn lazy to take care of their own business

.
Although similar in the way they work, I already like Alchemy and Blacksmithing better than Skyrim's, haven't tried Sagecrafting yet. The interface seems less clunky and gives more information. Barely knowing what I was doing I crafted some daggers that were better than the ones I got for pre-ordering. I have a feeling this game will be like Borderlands in that you will be going through lots of weapons and armor. My only concern I have right now is that weapons and armor are subject to durability. Bleh, I hate when games do that because it's just annoying but so far it hasn't been a problem. The menu of alchemy reagents gives you a description that at least provides a clue to what they might do.
I didn't experience any really bad glitches in the demo other than the dialogue menus acting weird sometimes so can't comment on some of the big problems I had read reported but I've not had any technical problems so far and the dialogue menus seem to work fine now. The character speaking animation is still sloppy but that's not something that bothers me much.
Not regretting this purchase and I expect to get in a lot more time this weekend! In fact, I will probably be trading my copy of Skyrim soon.