Have you bought a copy of the Machine of Death anthology?
Not webcomics but stories from lots of cool folks including many webcomic types. Plus illustrations from MANY comic types including Kate Beaton. David Malki! and others have blogged and tweeted all day trying to get this to the top of the Amazon chart TODAY and by gawd they've succeeded – check it out: #1 on the Amazon Best Seller List (time: 2:10 PM EST).