halocline
Contributor
I don't find the weighting/trim issues between a modern reg and a double hose difficult to deal with, and you won't either. It's a fairly small adjustment that you can solve in one or two pool sessions. The benefit of the low (and close to your back!) placement of the double hose is mostly about getting the performance out of the reg. You'll find double hose regs are very position-sensitive with regards to breathing resistance. Once you adjust to that they are very enjoyable for diving.