[thumper]

has anyone used this service before, or similar?

Decluttr | Sell Used CDs, DVDs, Blu-rays, Games, Books & Electronics | Sell Your Stuff at Decluttr (http://www.decluttr.com/)

[Presto]

http://i2.kym-cdn.com/photos/images/newsfeed/000/284/967/02e.jpg

seriously, though. it looks interesting, but this is the first I've heard of them. The app stop links seem to have solid reviews, though.