Ive searched out blogs by Virginia tech students, and have found a few, and some accounts are in the following places, and some are comprehensive linkings to other sites:
Suspected Shooter's Facebook page
Suspected Shooter's Livejournal Page
Collegiate Times
The Paper Chase
Blacksburg Beacon
Tough Sledding
Cybersoc
Virginia Tech Main page
Bugle 2007 Yearbook
MTV acknowledges Bloggers
Gateway Pundit
Drudge Report