Online bitmap to vector converter

If you do anything with logos or graphic design, then you'll want to check out Vector Magic. It's made by Stanford, and lets you convert bitmap pictures to vector files. You just upload your graphics, pick a few options, and let their program do the work. I was very impressed by the results. My sample picture turned out great, very sharp and very accurate. It's the best freeware converter that I've seen. Too bad they don't have a downloadable version.