Bunch of cool stuff on eBay

I've got a few MVS carts (Garou, Baseball Stars II, and Metal Slug) and Alien Soldier and Yu Yu Hakusho for Mega Drive:

<a href="http://cgi6.ebay.com/ws/eBayISAPI.dll?ViewSellersOtherItems&include=0&userid=haydenfallek&sort=3&rows=25&since=-1&rd=1" target="_blank">http://cgi6.ebay.com/ws/eBayISAPI.dll?ViewSellersOtherItems&include=0&userid=haydenfallek&sort=3&rows=25&since=-1&rd=1</a>

Will the power base converter work on a Genesis 2 system?

Is Alien Soldier really worth that much!

What was the buy it now on baseball stars 2? I probably would have done that but the option is gone since someone bid =/