Magnepan 3.6's - Horizontal Bi-Amp?

I am wondering if there would be any benefit gained with horizontal bi-amping the Magnepan 3.6's? At the moment I am using a NAD C 275BEE stereo amp (150 watts but LOTS of Headroom). I am considering adding a second C 275 and using one amp for the bass panels and the other to power the mid and treble panels. Ever tried this? Tried horizontal bi-amping?
thanks.