McCain got just barely zero per cent of his funds from PAC's. Why should zero percent have been a dealbreaker from "yes?":

Individual contributions $193,991,664 54%
PAC contributions $1,375,110 0%
Candidate self-financing $0 0%
Federal Funds $84,103,800 24%
Other $162,406,443 45%


These from:

http://www.opensecrets.org/pres08/summary.php?cid=N00006424&cycle=2008