This is pretty cool :) I like that companies are releasing these again, much nicer than having to buy second-hand broken controllers that have been God knows where?
You'll need to check out modmyclassic.com for info on hacking these consoles. I'm not sure if it's been accomplished yet, but the Megadrive has been opened and I need to work on that to add more roms to mine.That website will document their efforts to open the PC Engine system.