I’ve been successfully lured into Sims 3 and have to admit that I’m enjoying it. Part of that is the creation of custom content. I have a collection growing at http://www.thesims3.com/mypage/Boylonian. Please feel free to come look and if you like what you see, post recommendations to me.
Also if you have a custom interest, send me a message on thesims3.com and I will see what I can do for you!