I will love to see what comes of this. I remember having the same grand plan while at uni, but nothing ever came of it.

My ideal cast was:
Hot Rod - Powerlinx Hot Shot or Cybertron Excillion
Rodimus Prime - Energon Rodimus
Ultra Magnus - Energon Ultra Magnus
Springer - Energon Bulkhead
Blurr - Cyberton Blurr
Kup - Cybertron Brakedown GTS (or normal if colour isn't a big deal)

Bumblebee - Armada Hot Shot
Galvatron - Energon Galvatron (of course)


My vision however was more a direct retelling, not the reinterpretation that you seem to be thinking.

You should make the mini-cons the new version of the junkions.