How about Audiogon ?

http://www.audiogon.com

For Canada, Canuck Audio Mart seems to be good.

Last edited by bridgman; 04/25/11 07:43 PM.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8