Any search of the blogosphere featuring the terms 'future, Republican Party, conservative' will give you more reading than you could possible do in a week. Republicans, conservatives and right-leaning individuals are discussing what is ahead.
If you're one of those who agree that the GOP has lost its way, I'd encourage you to take a look at some specific websites and get involved. The future of the conservative movement (which may be much different from the GOP) is in your hands.
Rebuild the Party
The Conservative Underground and their blog