As someone mentioned on the "2008 Metrics" thread, you can now view all the 2008 matchups for free on www.surveyusa.com. I compiled a list of the results. I should note that while some results are recent, there are others from a few months ago (I saw as far back as July).
Allen 31-507 Clinton
Allen 30-508 Gore
Brownback 28-510 Gore
Brownback 26-512 Clinton
Brownback 6-532 Edwards
J.Bush 21-517 Gore
Frist 62-476 Gore
Frist 33-505 Clinton
Frist 15-523 Edwards
Gingrich 211-327 Feingold
Gingrich 144-394 Warner
Gingrich 30-508 Clinton
Gingrich 26-512 Gore
Gingrich 0-538 Edwards
Giuliani 535-3 Sharpton
Giuliani 532-6 Biden
Giuliani 529-9 Clark
Giuliani 528-10 Vilsack
Giuliani 525-13 Feingold
Giuliani 524-14 Bayh
Giuliani 522-16 Warner
Giuliani 520-18 Kerry
Giuliani 519-19 Richardson
Giuliani 510-28 Obama
Giuliani 438-100 Edwards
Giuliani 390-148 Gore
Giuliani 354-184 Clinton
Hagel 87-451 Gore
Hagel 57-481 Clinton
Huckabee 28-510 Gore
Huckabee 20-518 Clinton
Huckabee 0-538 Edwards
McCain 535-3 Kerry
McCain 529-9 Clark
McCain 528-10 Vilsack
McCain 525-13 Feingold
McCain 524-14 Bayh
McCain 522-16 Warner
McCain 510-28 Obama
McCain 501-37 Biden
McCain 499-39 Richardson
McCain 377-161 Gore
McCain 351-187 Clinton
McCain 272-266 Edwards
Rice 535-3 Sharpton
Rice 497-41 Feingold
Rice 462-76 Obama
Rice 399-139 Warner
Rice 227-311 Gore
Rice 165-373 Clinton
Rice 103-435 Edwards
Romney 343-195 Feingold
Romney 337-201 Warner
Romney 122-416 Clinton
Romney 12-526 Gore
Romney 12-526 Kerry
Romney 9-529 Edwards
Tancredo 82-456 Gore
Tancredo 81-457 Clinton
Reagan 108-430 F.Roosevelt
· WI-08: Wingnut plans to run as "conservative independent" (desmoinesdem)
· 50 percent of southerners say Obama better president than Bush (desmoinesdem)
· What Yesterday Says About Young Voters (Mike Connery)
· Max Blumenthal on the dysfunctional movement driving the GOP (Mike Connery)
· IA-Gov: Culver launches second tv ad (desmoinesdem)
· Hilarious Vid On Why We Must Vote No On Issue 2!! (Cliff Schecter)
· NY-23: Scozzafava Drops Out! (lipris)
· NY-23: Pataki Goes Rogue, Endorses Teabagger Darling Doug Hoffman (lipris)
· Dunne Considering Run For VT-Gov (Nathan Empsall)
· McGovern Grandson Looks to Challenge Thune in 2010 (Jonathan Singer)
· IA-03: Two potential challengers for Boswell (desmoinesdem)
· NJ-Gov: Daggett Goes After Christie and Corzine (Jonathan Singer)