In answer to question 2 from Sweet Spot:

No, you cannot combine the output of the M200/M2200s with the 2150 unless you use an external electronic crossover and biamp the speakers.
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Outlaw 990/7500/LFM1+/2xLFM1 EX
Kef 107 with KUBE
Kef XQ2c center
Kef 3005 surrounds
Samsung HL-67a750
Sony BDP-S301 Blu-Ray
Toshiba HD-A2
Denon CD
Harmony 880
Comcast HD DVR with external drive
Nintendo Wii