If you are wondering how the coming LEGO Wall.E that said to release in December 2015 look like. Here are some picture from imgur.
Here are the parts in various packets.
The Back of Wall.E look accurate.
Here is a rough size of LEGO Wall.E.
Here is the plant which Wall.E saved.
There's no mention in photos that Wall.E can open up or rolling. You can view more at imgur
I have to say overall it look good.
What's your thoughts of the Wall.E Lego?