I have more than 5 so I think I'll just throw out a few more things.
Make skills useful and needed, things like Stealth and Pick Pockets were just a waste of slots for the most part, pretty much the same thing with trap making. I mean yeah you could use them, but they really weren't that useful UNLESS you've played the game all the way through a number of times.
The mage outfits were horrible all around I though, I didn't play a mage often tbh and a lot of it is because of this, give them some character
Sheaths, I'd like to see those over floating weapons on my back.
Abilitity to change hair (both head and facial) throughout the game.
More variety in random encounters as they became not so random.
Choices that truly matter.
I like the idea of a permanent base camp (keep/tower/cave) to work out of and having to really fortify and protect it. Example: Your parties base camp is out of a local waterfall cave outside a city in the woods, you would have to put out traps, maybe assign sentry's and so on. Would add some flafor