vs lets say sparkfun who only bothers to show up around here to promote their interest while we get to debug and support their half broken (and totally ripped off) crap every single day
Don't hold back, share your real feelings ;D
Actually I've had good luck with the things I've purchased so far from SF, but then again problems can be pretty specific to the actual product bought. I do like the pretty little red boxes they ship stuff in 
Lefty