Unless, we catch Harry Reid with a live male Senate Page I am afraid the GOP will lose another 4-5 seats in the Senate.
Of the ones you mention the "Dead Men Walking" are:
Wayne Allard (Will Ken Salazar's brother run for the seat?)
John Warner (He is hated by the right and left)
John Sununu (That phone jamming gag will due him in)
Lamar Alexander (If Ford runs)
My guess is that John Warner retires. I don't think anybody can beat Mark Warner in Virginia right now -- why would John Warner want to subject himself to that kind of race? Tom Davis would at least make it competitive, and, without his committee chairmanship, he has every reason to run. But I don't think he can beat Warner, at least not in the current climate.
Plus if we can kick the rinos (collins, dole, alexander, etc.) out we can probably manage to lose 10 or more seats. That would really teach the GOP a lesson.