Thule Atlantis Rooftop Cargo Box 1800 Silver version - carries 18 cubic feet $499.99 Fs Amazon Lightning Deal

http://www.amazon.com/dp/B001PQQG4M/

Silver version - carries 18 cubic feet or up to 110 lbs of cargo per box
QuickGrip Mounting System
Holds 6-8 pairs of skis up to 198cm or 110 lbs 4-6 snowboards
Also mounts to most factory-installed racks and after-market systems
Durable lid stiffeners and struts make opening and closing the lid effortless - even with one hand