Well, it seems that a Mod is really on the way...
Codename: PM
Complete name: ProMeteo Beta One
70 wires for complete functionality, 22 for reduced (?) functionality. They claim it's easy to install tho. For specs read here
An ethernet adapter (and special network cable) is also necessary to transfer originals from GC to PC by using a custom software. Also, a tool to cut DVD-Rs has been developed.
I attached a zipfile containing various photos. Enjoy