However it is that you see it, make sure to catch the third trailer for Transformers: Revenge of the Fallen...
That's Constructicon combined gestalt bad-'bot Devastator scarfing down a wazoo-load of Saharan sand, trying to suck in and chop Optimus Prime to slivers. By the way, Devastator is now said to be the most complex digital construct that Industrial Light and Magic has ever done in its entire thirty-some years of existence!
I also feel led to comment that based on this trailer alone, it looks like the second Transformers movie is going to be much more intense in the way of plot than the first film... along with a hella lot more action (and presumably more actual screen time for the Transformers themselves, supposedly being around 60 of 'em this time).
Transformers: Revenge of the Fallen lands on June 24th.