Not sure if you are in Canada or the US, but the "Canuck Audio Mart" is a great used equipment site in Canada :

http://www.canuckaudiomart.com/

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8