This toy should be out fairly soon, but this gallery of photos makes me like the vehicle mode, mostly because it looks very Gen1 Cybertronian (the vehicle modes seen on Cybertron in the cartoon and comic).
Robot mode is too lanky, but I do like the vehicle mode.
http://www.tf08.net/forum/viewtopic.php?f=3&t=101
If that takes too long, or isn't loading up, they are mirrored here:
http://www.tfw2005.com/transformers-...figure-166153/