I keep a running tally using my Delicious bookmarks. The 'multiformat' titles from Fictionwise, which tend to be from non-name authors, are here:
http://delicious.com/ficbot/Books--Multiformat
There are a few in the freebies section too. Most of those are classics, but a few Feedbooks finds are creeping in. This is one of the better ones from that lot:
http://feedbooks.com/userbook/3115