As someone who will be likely trying out TESV on the console before getting the PC version, performance is a must. I've noticed the loading times are really slow on console versions of your games, a lot longer.

As for modding, I'd like a more basic dialogue system like Morrowind's. It was so much better - no need to voice act, and I actually got used to it in minutes. Now in Oblivion I have no wish to voice act (since my voice acting will likely svck) and even if I did voice act, I can't even put together a few topics anyway.