Minnesota governor Tim Pawlenty has recently formed a PAC and will probably be running for president in 2012. And, a whole gaggle of what some call "RINOs" are flocking to his side, including those formerly associated with the losing campaign of John McCain and the disastrous presidency of George W Bush. You can find a list of some of them here; part of the Hill article (which isn't currently available for an unknown reason) is here.