After what I heard earlier today about Ribéry being linked with nearly all the European top sides, I've got depressed.
Anyways, such a midfield would be great. Ribéry can take a more advanced role in case of attacking or tend to the left flank, and Frings to secure the area in front of the back four. In case of defending, Nedved to partner Frings in the centre midfield and Ribéry to play in front of them with Camoranesi on the right flank and retreating to assist Frings as well. Generally, Pavel and Camoranesi to take more defensive roles depending on the situation.
In case of defending:
Camoranesi----Frings----Nedved
Ribéry
In case of attacking:
Frings----Nedved
Camoranesi-------------------------
------------------------------Ribéry