I've lowered my Buy It Now price for the Super Mario 64 demo, and added two more:
DEMO Super Mario 64 Nintendo DS cart:
http://cgi.ebay.com/ws/eBayISAPI.dll...m=290265709342
DEMO Mario & Luigi: Partners In Time:
http://cgi.ebay.com/ws/eBayISAPI.dll...m=290265702565
DEMO Mario vs Donkey Kong 2: March of the Minis
http://cgi.ebay.com/ws/eBayISAPI.dll...m=290265708730