Max Baucus' humungous political warchest (to the tune of around $16 million) hasn't persuaded me to vote for him. Conrad Burns' humungous political warchest hasn't persuaded me to vote for him either. Neither man has earned a vote from me ever since I became eligible to vote.
Maybe not you specifically, but advertising does influence undecides - of course hard core party loyalists aren't going to be swayed by advertising.
I can't believe I'm actually having a discussion on a website frequented by adults where some are denying that money has a significant influence on elections.