As I said earlier, D3 does have bugs.yes you can use nitepr ( i prefered coderpr tho)
i havent seen any bugs in gen d 3 full (maby a sound glitch/bug but i can live)
ill attach some themes that i have for gen d 3
http://www.megaupload.com/?d=S93GBM5B
Edit: sorry i didn't do it as a reply
A lot of people ended up unable to use their previous game saves.
A fix was released for that, but that's just more stuff you have to do, pointless when D2 works just fine.