yeah, I get there are "reasons". But, in my "studio" I'm moving between headphone jacks on keyboards, the helix, and the audio interface. The biggest PITA is the Helix because the damned cable always ends up dangling over the parts I want to edit. Also, in the live arena you typically don't have headphones on coming off the unit. In a studio (I) tend to have it up on a pedestal to appropriately worshi.... errr I mean edit..Eeek!
On the front where? We were worried enough with HX Stomp's Phones jack on the left side. In the front on rack or tabletop form factors? Sure, but never on something you repeatedly step on.
Anyhow, back = bad IMO :)
Remember that meltdown over a joke preset you guys did?