I had an ME-50 for a while. I liked it for its modulation effects, they were pretty decent, but I could never get into the amp modeling/overdrive sections. Pretty good pedal overall though, and Boss builds everything like a tank, it should never break.
Fender Highway One Strat, Fender FRS Hot Rod Strat
Axe FX XL+ & MFC101 Mark III
Guitars: Carvin C750TS, Alvarez RD8C
Pedals: Korg Pitchblack, MXR 10-Band EQ, BarberTone Compressor, Visual Sound GarageTone Tremolo, Nova Delay, Radial Jensen DI
Quality transactions with: Gaetano Paul, Chocolate Bear, S.B. Nichols, Almost Enough, relient nelson, snizzle