Picked up Cinefex Magazine #111 (October) today. OP is on the cover. Price is C$15.
I haven't read it yet, but it has 20 pages related to the Transformers movie effects. Also has effects stories for Stardust, Resident Evil 3, and Harry Potter 5.
More info link:
http://www.cinefex.com/backissues/issue111.html