I was recently looking at Daryl Sloan's blog and was pleasantly surprised to discover a list of good independent novels that he has identified. You can see the list at:
The best part is that all of those books are free to download. Now, when someone asks you if there are any good self-published books, you can point them to the link above. Of course, don't forget to check the PODler's own list of great POD titles listed in the International Print on Demand Book Award Runners.