A friend and I are working on white spaceballs costumes for Wizard World East next month. I made a helmet for another friend for christmas last year and figured it was time I made myself one. I have a buildup for the first helmet I made on my website here: http://www.angelfire.com/pa2/jdoud/spaceballhelm.html
For my own I went a bit further and made the drop-down eye shield:
We're planning on using off-white dickies coveralls and mock turtlenecks for the suits. We're not going to bother getting the correct boots as they'd cost more than the rest of the costume put together and no one will really care.
Today I started on the belt buckle:
I'll be casting a couple of these for us and a few friends, depending on how the casts come out I may offer some in the JY as well. I haven't done much casting (or sculpting for that matter) so I don't want to commit to anything yet.