Bill,

Ultimatly it should realy be one of those test situations where you can try both designs out to se what works for the room and accoustics. But I'ld reccomend using the studio ADP's for the sides, and a set of monopoles angled at about a 50-60 degree angle to the back of your listening area. (just a tich wider angle then the front speakers to widen the rear surround field). I had a lot of sucess in my parents 20-15 foot room that doubles as their living room/theater with this setup. I personaly didn't like using the di-poles for the rears, but considered the mono-poles a little to present for the l&r surround channels. But then again that's just me.

Jason