I’ll keep an eye out for you. There was one some time ago on the shmups forum or AO close to what you’re offering.
I hear you on Tops. Anytime something “sells”. It’s back up, but with 2,000 yen on top, and the cycle seems to repeat. It’s unhealthy inflation to the point their prices are getting ridiculous (have to laugh at their Guwange asking price for example).
The stuff that used to be well priced there, like the G-Net motherboard have shot through the roof!