Here is my analysis, copied from another thread:
As ironic as it may be, assuming the House holds firm on its tougher, close-the-border-first immigration bill, the Republicans might just lose the Senate but retain control of the House!
This is the exact opposite of what most Democrat pundits have been predicting might happen. They have mostly written off the Senate, but somehow see opportunities in the House.
It is not an outcome I want to see, but considering public opinion regarding the "Amnesty Bill," and other factors, it is actually more likely that the Republicans could lose the Senate but not the House in 2006.
(I actually don't think the Republicans will lose either chamber of Congress, as I explained using a study by Jay Cost here.
If you can't switch the Senate, you can forget about switching the House.)
The result of such an outcome would be a vitriolic Democrat majority in the Senate that is unable to provide its base with the much hoped for impeachment proceedings against the President because such proceedings must begin in the House.
Then, after the Democrat Majority in the Senate has had about two years to make a holy, ass-clown show of itself, and the Democrats inevitably nominate the fatally flawed Hillary Clinton to run in 2008, we might have a real Conservative Republican Presidential candidate with popular coat tails broad enough to replace the RINO majority in the Senate with real Conservative Senators.