Amen, Ron Paul!!!!!!!!! I can't tell you how excited I am about this primary. I have already offered to volunteer, and encourage everyone else to do so, or in the very least contribute money and tell everyone you know.
I did that last time. Canvassed, worked the polls, the whole bit. I highly recommend you do. It was a very worthwhile experience, but very depressing in the end. The overwhelming lessons I learned were these:
"All politics is local" is so much truer than you know. Working the polling stations, watching the precinct captains handing out the rosters with the establishment approved candidates to the voters as the approached the polls. It was a real eye-opener. The precinct captain at the poll I worked seemed to know every voter personally, shaking their hand, reminding them of the various favors the local party leadership had done for that particular person - and then pushing the roster of pre-ordained candidates and thanking them for their support.
The other truism that was far worse than I'd imagined was the 'Scare the seniors' approach. Our local precinct actually bused in seniors from the local old folks homes - knowing that they would be fare more likely to go with the establishment favorites.
In short, it's an incredibly stacked deck. Still, the primaries are where the real opportunities lie. Not all of the locals are as organized as the old-school precincts around Philly (where I was working), and well organized local efforts can 'subvert the dominate paradigm'.
I don't think I have the energy or the time to go through it again, but I doubt you'll regret it if you do. Just don't expect a stunning victory.