I like it on gray best....
For my personal taste (And this might be just me)
But I think if you cleaned up the design a teeny bit and made it a touch simpler, it would have a better flow/feel/balance to it.
However, it's a clever idea!

I agree with Oct sky, however it's not like you can really change anything now.

chengui, he/she can re-sub it later with revisions,

I'd buy the gray one Brian! - I still have my X-Ray Spex... even though they never worked THIS well. Nice to remember we're all pretty much the same without skin.

heheh X ray rule$$

I actually like the fact that it's kind of busy. Makes me look at it longer. There's something about the angle that I find kind of awkward, but I love the graphics! Purple gives it a cool retro feel.

defo grey... and the purple if nice too... i would buy this...

sweet on purple

http://www.threadless.com/product/944/X_Ray_Goggles_Work

Yeah it's a different take on it, but I like the one that was printed better.

Good, clean, visually satisfying design, too bad it scored so low!