I use Artsonia as a working portfolio and then burn a CD of student work when they graduate from elementary school. I have talked to Artsonia about making their site more interactive for students and teachers to reflect on the artwork. They want to hear these ideas! I put together a google form for anyone to contribute to on how to make Artsonia better. The CEO reads it.
Here is a link:
http://bit.ly/EpYhu