Oregon: Register to vote online

BLUE OREGON, 4/1/2010 - As of today, Oregonians can now register to vote online - provided that they have a driver's license. ∴ Register to vote online here. (Not sure if you're registered at your current address? Check here.) ∴ The voter registration deadline for the May 2010 primary is April 27. (If you just need to change your address, you can do that right up to election day, May 18.)

See registration requirements here.