The M200's are very nice amps - I've been driving my Paradigm Studio/60's with them since last November and been very pleased with them. It would certain be a worthwhile purchase.

Another option that you may have already considered is getting a multichannel amp (like the upcoming Model 7125 or the larger 770) that you could use two channels of for now and then later add a surround processor and be in a position to start adding speakers without needing more amp channels.