The election means democrats take not only the White House but commanding majorities in the House and Senate.
They're talking about pushing their agenda hard, even before Barack Obama is sworn in.
Into the night democrats cheered their dramatic sweep in New Hampshire, GOP Senator John Sununu is out.
Rival Jeanne Shaheen called him George Bush's evil twin.
"I think what we saw was a real desire for change," said Shaheen.
In North Carolina Kay Hagan bumped Elizabeth Dole from a seat the GOP's held for 38 years
Democrats also gained some twenty seats in the House
"Our priorities have tracked Obama's priorities for a long time, said Democratic House Speaker Nancy Pelosi.
Pelosi sees new hope under President Obama for expanding children's health insurance and stem cell research funding, both vetoed by President Bush.
Republicans returning to Washington are relieved
"Winston Churchill once said the most exhilarating feeling in life is to be shot at and missed," said Senate Minority Leader Mitch McConnell.
Some urge a basic retooling
"I think we should be talking to friends and neighbors, I don't think robo calls are going to get it anymore," said Kay Bailey Hutchison.
The breakdown in Congress could change still
Ted Stevens has a thin lead in Alaska.
But if his convictions for lying about gifts hold, fellow republicans say they'll kick him out of the senate.
Uncertainty too in tight races Al Franken and Norm Coleman in Minnesota.
Saxby Chambliss and Jim Martin in Georgia.
And Gordon Smith and Jeff Merkley in Oregon.
All face possible recounts or runoffs, though none threaten democrats' new, tighter grip on Congress.
House Speaker Pelosi says priority one is a new economic stimulus package.
Then the wars, energy, health care, are all bound to test the progress of a Washington run by democrats.