Caseology is having a huge sale on their stuff. I just picked up a Dual Layer case for for 6+ for $3.99 with free shipping (US only). All of their cases are marked down. Just figured I'd share 
http://www.caseologycases.com/collections/apple-iphone-6-plus-cases-accessories
http://www.caseologycases.com/collections/apple-iphone-6-plus-cases-accessories