I just saw these on Ebay and thought they were awesome. Check it out.
Takara Transformers Device label Grimlock LASER MOUSE - eBay (item 370205559159 end time Jun-21-09 21:29:22 PDT)

Takara Tomy Transformers Device label Jaquar USB - eBay (item 370205558707 end time Jun-21-09 21:26:54 PDT)

What a great idea. Who's happy about the price though. I'm sure they have some R&D to recoup. Anyway thought you would appreciate this.