I think fighting is just the bee's knees now.
Noro's right, it does still have the feeling that you're cutting through the enemy instead of into them most of the time, but now weapons have an actual feel to them, a hammer isn't a sword, isn't an axe isn't a dagger and you can really chain attacks smoothly. Plus with dual wielding and enemies being decent combatants, I actually want to get into fights, and not just sneak attack the world into oblivion.
Speaking of Oblivion, my biggest complaint was that it felt like Morrowind, but dumbed down for the larger market (which was in turn kind of a dumbed down Daggerfall but still my favorite of the series). I was just hoping for a more feature rich sequel this time, and it really feels like they've done it with the way NPCs look and act now, the way the world in general reacts. With the new combat, crafting systems and leveling this may actually be the new best of the Elder Scrolls.
All that aside I have been getting crashes, but rarely enough that it doesn't bother me, and other than that the only bugs I've encounter are minor, save dismounting from a horse and watching it get flung across the planet. But it was cool, I stole it anyway.