Hey aus470, ASV Perfomance have just released their 2015 Accessory Line with a Padded Foil Bag and Travel bag which look really nice. The Travel Bag has detachable wheels and a matching Stash bag for extra kites ect...
I'll be ordering mine in the new year :D
Check them out at:
www.hugedomains.com/domain_profile.cfm?d=asvperformance&e=com
P.s Archie Ive heard the old smaller Cabrinha race travel bags also work great 
If you want something custom the guys at Surfaids in Byron Bay are great and doing custom jobs and are quite cheap..
