You can see in the latest whatsnew that Shoutime been busy dumping a bunch of incredibly rare boards. He has the opportunity soon to start renting some really rare undumped games. They include Sega stuff with chips that will need to get sent to Charles and back to dump. Quick examples:
Laser Ghost JP Racing Hero JP Rad Mobile JP Legion JP
I don't have a total dollar amount needed but at least a few hundred. If you want to donate send me a PM and I'll send you his paypal address.