GB player for NES? Is it possible?

[toredauei]

But, of course, neither of these things would likely be mass-produced.

Not unless we can get 5,000 people to pay for them up front

[Mod_Man_Extreme]

But, of course, neither of these things would likely be mass-produced.

Not unless we can get 5,000 people to pay for them up front

Sigh, yeah.

I really need to start fleshing out my all in one Sega idea for a pitch to the actual company.

[MrPopo]

There are people crazy enough to design this stuff on their own, though. I remember seeing a few PCB design docs from a guy on the Ben Heck forums for a N64 flash cart. In this case you'd have to find someone who wants the intellectual challenge, as from a practical standpoint buying a Super Gameboy is the best route to get your Gameboy on a TV on.