Me, I watched PR from Wild Force to RPM, never skipping a beat. I also wasn't aware of Sentai until midway through SPD, so I never really got it. The only Japanese series I ever watched straight through was Kamen Rider Kabuto, which wasn't bad, but started to get a little confusing in the end.
Anyway, I'm in any show for the story, period. With Disney I never really got annoyed with them until 10 eps into PROO. Then, when that was followed by Jungle Fury, I began making my own fanfics to satisfy myself, and still am, even though I'm only on Shinkenger so far.
Samurai, however, is just plain horrible and I want to beat Bulk's sidekick through the wall to get that annoying wierdo to shut up. I watched ep 1 up to his intoduction and have not watched anything else, although I am blaming Samurai on the fact that they had to start it on such short notice.
The only real thing that annoys me when I see bad PR now is that I keep thinking that I could do ten times better if I was the exec., but, then again, I'd probably either get into a similar problem as Guzelian, or get so annoyed by the budget constraints that I'd move on after one season.