Graham was able to handle the SDF-1 before it was released in December 2010 and provided us a detailed write up. Take a look back at this review here.
He also provided us with transformation videos:
CRUISER TO ATTACKER MODE:
ATTACKER TO CRUISER MODE:
Check out the review HERE.
The discussion can be found here halfway through the combined 1/2000 and 1/3000 thread.