I donate to the party, and I donate at the individual limit. At that level they still care because people who donate at that level are connected with other people who donate at that level, and those people tend to reach out and coordinate. Periodically I get emails from other donors who ask me to reach out to such and such a person, a candidate or a party rep, and encourage that they take a look at X issue through a particular perspective.

I think more people would benefit from forming Super PACs and using that as leverage in pushing political change with parties.