My primary is now on a 40" Miflex hose routed under my right armpit then up to a 90 degree fitting at the second stage. Very comfortable, and no hose waving around above my shoulder. You may have to come out of the first stage at a different port to get a smoothe bend. You still have the option of a conventional octopus, a bungied safe second, or an octo-inflator. Lots of talk about the right angle fitting being pricey, but the Zeagle fitting ...
http://www.zeagle.com/showproduct/54/Swivel-Elbow-2nd-Stage/
... from Scuba Toys is around $30 ... not bad.
http://www.zeagle.com/showproduct/54/Swivel-Elbow-2nd-Stage/
... from Scuba Toys is around $30 ... not bad.