We all know it's a matter of time for this to appear in Sweelee, after BOSS starts shipping it out.
Quoting Harmony Central, "a new, high-quality COSM® engine derived from the GT-10", i'm sure this thing is gonna sound better than the ME-50.
There's a "R-FIER" on the ME-70's Preamp section. Looking forward to hear that too. Power.