Librarything.com is a new website that lets you keep track of your book collection, receive recommendations on new books, and interact with other people who are reading the same books as you.  Kind of similar to a Last.fm sort of concept, but for novels.

I'd started keeping a 'book diary' offline this year, just to keep track of what books I had been reading throughout the year, and what I had thought of them while reading them.  I was planning on writing out little capsule reviews for the books as well, and posting them here at the end of the year.   I think instead I might just post the reviews there instead, in order to not bore people who might not care about that sort of thing.  Anyways, check out what I've been reading:

http://www.librarything.com/profile/orangemonkey (profile)
http://www.librarything.com/catalog/orangemonkey (catalog)