Yep, I have one of thoes ugly things sitting here (not IS-Viewer but a IS-CGB-EMULATOR). Really should bug about gettting an upgrade to an SP unit. Little hard to test on the old GBA.
Bandai japan still have store for that sell to game developer/game magazine staff(developer with dev cable 300,000yen/game magazine staff hardware only 180,000yen)
come on, it just offical price. may be some day, you can lucky find a cheap one on ebay / yahoo japan