1st RATE: greekgeek, Holdfast, rebel222, forex, slycedbred, chorse123, trojanman, amerikajinkda and a few others whom I don't recall right now.
In all seriousness, I don't think I've had a bad transaction on here yet. My memory isn't perfect in terms of everyone's usernames, but the sellers I've bought from have all been friendly and helpful (I can't remember them all, but have definitely bought from chorse, Kent Wang, amerikajinda amongst many others). And my buyers have generally been cool too.
I wonder who will be the first to air grievances For me, I can't recall all of them but as a buyer, transactions with EL72, amerikajinda, sho'nuff, chorse123, vinshter, soaped stand out off the top of my head as top rate. As a seller, I've had great transactions with Josef Seibel, international but very smooth every time.
I'd like to single out teh jinda for service / responsiveness that was above and beyond the value of stuff I bought from him. Adambparker is similar. I've also had good experiences with dr. no, slyced, vinshter, walneal, whursurdadi, to name a few.
Just off the top of my head I recommend the following sellers (in no particular order) whom I've bought stuff from in just the past year - chobochobo, rach2jlc, AnGeLiCbOrIs, gregaz, mljones99, randallr, jmonroestyle, chorse123, hammerhill, drducky, slycedbred, robin, sho'nuff, and the aforementioned HomerJ (sorry if I've forgotten anyone - needless to say I've never had an unpleasant transaction here.) All of these guys are top-notch sellers and upstanding individuals whom I wouldn't hesitate to purchase from again.