Heh, for everyone one Soros there's probably 5 Conservative oriented billionaires waiting to be awakened at the first sign of threat.
Democrat and Republican funding is cyclic. For what it's worth, McCain-Feingold was a bipartisan effort.
Maybe it won't matter a lick because gerrymandering has become so blatant and disgraceful and the public doesn't seem to notice or care.
http://www.newyorker.com/printable/?fact/031208fa_fact