I picked up both of these sets, and I was slightly dissapointed. For the snowtrooper pack, I was surprised to see only 2 snowtroopers, and a Imperial officer in the place of possibly another. I think they should of left him out, and put in another snowtrooper, because he is kind of useless. I feel the same about the AT-AT pilot, because unless you can afford 6 AT-AT's, then he is just sitting there. But the new helmet design is a nice touch, very detailed, and I'm glad they used a black head-piece. Anyways, enough of my ranting on the minifigures.
As for the speeder bike, I was surprised the used the jousting lance things, instead of the vanes in other speeder bikes. Though I must say, even though the color is out of place in my collection, it still looks pretty neat.
The little base thing was probably a way to make the set more reasonable in piece count. It wouldn't help in battle, if you like playing pretend battles like I sometimes do. The missle thing is kind of strange, and I thought it was funny that they were using a radar piece for the computer screen. But, at least it gives the AT-AT pilot, and the Imperial Officer something to do.
I give this set a 6/10. A good way to get guys that have cost a fortune to get in other sets.