As promised here are links to the video clips Griffin filmed at the toyfair which demonstrate some of the action gimmicks and sound effects of the new toys.

Hasbro's TF display area
http://www.youtube.com/watch?v=ZH83YQvyPKY

Roll-Out and Command Optimus Prime
http://www.youtube.com/watch?v=EHn-tAYxYmc

Activator Bumblebee
http://www.youtube.com/watch?v=fLnh-DuMeLs

Bumper Battlers Bumblebee sound effects
http://www.youtube.com/watch?v=SB7vwTFG6LI

Bumper Battlers Optimus Prime
http://www.youtube.com/watch?v=VEJDcgqJvHA

Bumper Battlers Ratchet
http://www.youtube.com/watch?v=cd3CxDHLtTM

Transformers Animated Hand-held videogame
http://www.youtube.com/watch?v=c-bSVwSdhCY

They are all now active on Youtube so feel free to share these links on the other boards.