got black. REI still has it:
http://www.rei.com/product/867117/gopro-hero3-black-edition-helmet-cam-adventure-package?preferredSku=8671170001&cm_mmc=cse_PLA-_-pla-_-product-_-8671170001&mr:trackingCode=2D7B1019-542C-E311-A755-BC305BF82162&mr:referralID=NA&mr:device=c&mr:adType=pla&mr:ad=36518433640&mr:keyword=&mr:match=&mr:filter=56728352560&msid=JcfU5NYC_dc|pcrid|36518433640|&{copy:s_kwcid}

If you're not doing anything seriously, silver might be just fine.