I would think that in the $500-$800CDN range you would have a good selection to choose from. Your room isn't overly large and the M60s are an efficient speaker. Except for the sub I'm driving a duplicate system with a HK pushing out 55watts per channel.
Getting to 2,000 posts; one year at a time vp160/qs8/qs4/SVS 2000/m60/Monolith 3x200 amp