I've been participating on the P2PU-dev list for some time now. There I proposed some interface designs for P2PU.org's home page, based on my studies about User Experience design (as I'm an almost-graduate Graphics Design student here in Brazil). I became specially interested in P2PU because in I've been researching about Virtual Learning Environments for three years at college, and it's gonna be my main research area for my course conclusion paper.