Senate: Republicans hold all open and incumbent seats while winning Colorado, Pennsylvania, Indiana, Nevada, North Dakota, Arkansas, Wisconsin, West Virginia, and Washington, for 50 seats. Lieberman stays with the Democrats.
Governors: Republicans lose California, Rhode Island, and Minnesota, win Illinois, Iowa, Kansas, New Mexico, Michigan, Ohio, Pennsylvania, Oklahoma, Wisconsin, Tennessee, Wyoming, for a net gain of 8.
Update: Forgot to mention a few gov races. Rs to win Maine, Ds to win Hawaii and Connecticut, making a net gain of 7 for the Rs.