"when you sit on one you turn freaking invisible."
No kidding. People in minivans/SUVs and on cell-phones are a menace to anyone on a bike. Huge blind spots, and people just don't process a motorcycle as an oncoming threat.
Tailgaters in traffic suck too. They don't seem to realize we can stop in 1/6th the distance they can. Going to have to start carrying a pocketful of ball bearings around to drop for the persistent ones