Sorry about the late post, but this is the type of topic that takes a while to update :blush:.
This blog has a post showing the games for sale in a store window, all of which unfortunately have high prices:
http://seaside-tears.sblo.jp/category/683525-8.htmlI have not yet been able to find any of the actual games for sale, not even on Yahoo! Auctions (which usually has them), but I have been able to find numerous auctions for the actual PC-9801 and PC-9821 computers:
FM Soundcard:
http://page5.auctions.yahoo.co.jp/jp/auction/e143892293PC-9801:
http://page9.auctions.yahoo.co.jp/jp/auction/k161557796PC-9821:
http://page5.auctions.yahoo.co.jp/jp/auction/e95020141The computers used to play the original Touhou games apparently cost as much as the games themselves

. Aside from the shipping, the worst part about buying a PC-9801 is locating the system install disks and the operating system (MS-DOS 6.2), as they are kind of rare and difficult to find.
Also, does anyone know if the trial/demo version of Mystic Square has any of the older music still available in the music room? I don't use emulators, so I haven't been able to find out for myself.