It looks like they have bent Metroplex's legs a bit for the pic and straightened Trypticon up more than he has been in any other photo we have seen to date, making them look approximately the same height. \
I still think Trypticon is shorter, but perhaps its not such the discrepancy that many (including myself) had feared.
Cheers for the heads upI've preordered and if it turns out that there is little difference between it and the Hasbro version and Hasbro's works out a lot cheaper I can always cancel.