well hasbro have posted on the youtube channel "transformers" some instructional videos detailing the transformations.
Be warned, the music can come up quite loud.
so far up are:
topspin
jolt
voyager sentinel prime
thundercracker
Leader sentinel prime parts 1&2
i will keep this updated(if i remember...
![Tongue :P](./images/smilies/icon_09.gif)
(EDIT:ed about 79,000 times to get the youtube tags done...
![Doh! #-o](./images/smilies/icon_34.gif)