This week, I bought two GBC systems and two GBA systems on eBay.
Check them out :P:
> SEALED KIWI GBC w/ SEALED POKEMON GOLD: $29.90
http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWN:IT
> GBA system w/ 2 games + case: $23.85
http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWN:IT
> NEW GBA system: $24.00
http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWN:IT
> GBC w/ Pokemon Gold: $8.95
http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWN:IT
Oh, and I also got a completely-complete, minty-mint Super Mario Bros Deluxe for the GBC for $11.09.
I love those cheap-ass BIN's