The number of tools out there for our field is pretty amazing these days. The Lamond lab at the University of Dundee has provided us with another. Part of the PepTracker project, the Encyclopedia of Proteome Dynamics is an extensive tool to visualize large scale changes in quantitative proteomics. I can't wait to spend some time on it! I'll write more later after I check out the features, but from what I've seen so far it is a darned nice tool. You can find it at PepTracker.com here.