There's also Smashwords for your other misc. ebook platform needs;

No Castles; Sci-Fi & Fantasy Short Stories

Barren lands in other worlds and wars fought in ways you've never understood. Futures fifteen minutes and fifteen generations from now, No Castles is a collection of weird and sad, of quiet and not-qu...

I know short story collections aren't exactly hot sellers, especially in self-pub circles, but I'm quite proud of this one, it (and my previous collection STRONGER THAN SWORDS, also available online) to me really are good representations of what I like to write.