Been waiting for something, only problem is the cost!!! Need a 2" hitch fitting and then the rack itself - looking close to £700 I reckon, all 4 bikes didn't even cost that!
Tim you need to get on it and make a cheap version
http://www.competitivecyclist.com/thule-apex-swing-away-bike-rack-4-bike
Tim you need to get on it and make a cheap version
http://www.competitivecyclist.com/thule-apex-swing-away-bike-rack-4-bike