Any Console Modders Out There? (Original Game Boy w/GBA SP guts/screen)

[bretthorror]

I bought a Hyperboy, which is one of the coolest things I've ever seen for a console accessory, but when I purchased an original Game Boy, I noticed the screen really, really sucks in comparison to when I last used one as a kid. Does anyone know anyone who offers modding services that are reputable? I basically would just like an original Game Boy modded to play GBA SP games, or even just an LCD screen on the device if that's possible. The only real kicker is that the headphone jack must stay in place. I don't know a lot about this stuff, but this looked cool and seemed to be what I need:

 

 

I don't know much about this stuff, can anyone steer me in any directions? Thanks.