I don't have mine yet, but as far as the fake shoulder helipad is concerned Paulbot, I think because it becomes the helipad when in mobile battle station mode - just looking at the promo pics from griffins first post.

Is there a big difference why the boxes are bigger? Is the sdcc one already preassembled? coz most photos Ive seen (Hasbro regular version) is that
the arms need to be attached. Just curious.