A "hostile software porter" that would run on an peecee, and when pointed at one of your installed programs, would analyze it, and produce an Amiga executable from it. ;-) Now *that's* crazy. ;-)
I'd also like to see a generic I/O board, sort of like a clock port on steroids, that could host a bunch of the modules sold for use with imbedded controllers... things like the vinculum USB host/mp3 board, TCP/IP controllers, and so on...