Oh, Lost by Thomas Wolfe (also known as Look Homeward, Angel.
http://tinyurl.com/b9psr) I couldn't find the Oh, Lost version (it's updated and expanded from author's notes, etc)
Anything by Faulkner, really.
Sanctuary (
http://tinyurl.com/c2acw) is probably the most accessible (rmarrotti, feel free to comment).
The Sound and the Fury (
http://tinyurl.com/a2lu5) is the best known, and got me hooked on Faulkner. If you can get through the first section (I recommend reading it thrice, twice at the beginning and once when you're done with the book) you can get through most anything in literature.
edit- Wolfe + TSATF should take the summer. Enjoy [img]/images/graemlins/grin.gif[/img]