World's Simplest Pack Harness - Instructions on how to create an inexpensive harness for your packy. Works great for me.
The FtM Guide - Good site with information on hormone treatment and surgery as well as a lot of passing tips.
The Mango Pantstuffer - A comfortable and inexpensive packy that feels real to the touch.
Successful Transmen - Photos of successful transmen and links to their webpages.
Bitter girl - Very entertaining webcomic about lesbian relationships with a lovable cast.
I Drew This - Liberal-oriented political webcomic.
Other fun stuff:
Cracked - Humour site with articles on TV, Movies, Music, Celebrities, Tech, Sex, Sports and more.
Teknikal Difficulties - Hilarious podcast, Cayenne Chris Conroy never ceases to surprise and amaze me.
Project Gutenberg - 17000 free ebooks whose copyright has expired. I use these for my corpus-linguistic labs all the time.^^