I read the faq's and have found some cool places but thought I might mention a couple more I have used before
http://www.allelectronics.com/index.php
These folks get some cool and odd gadgets in sometimes they got the Atari jaguar game pads back in the day. Good place to find part other than Radio Shack.
Carries circuit board wash and oxidation remover and tuner cleaner and lubricant.
http://www.mcmelectronics.com/default.aspx
Another interesting place that has Nintendo spares like the card edge connectors to fix the NES blink and cable and connectors and all kinds of odd and ends.
yeah, Mcm has been known for many years to provide snes and nes connectors.
the only beef i have with MCM is that the original snes connectors were designed to pop out and plug another one in to the secondary connector thats soldered to the board.
the ones that mcm sells you still have to solder them in. I dont like it a bit when this thing was clearly designed from the get go to make replacing snes connectors easy, but thats the way it is. i havent yet found a supplier who offers snap on snes connectors and thats a shame, it really is.
Mabeye Andy Warne will come out with one soon..........
other than that, hopefully the company, i think it was majesco who bought up all of the rights except for software to the SNES, hopefully they will decide one day to dump their whole stock of OEM parts.