I like the HK 3480(120wpc) but looking for more oomph for my M22ti, I've look at a few, Subwoofer output is a must.

1)Cambridge Audio Azur 640A, it appears to be a good buy but only has 65wpc so it's a bit wimpy, I'll more than likely disappointed with the ouput I can from this IA.
2)NAD C272 150wpc and the HK 3480 as the pre/pro, not sure if this is a good setup.
3)NAD C372 150wpc IA, a complete replacement and I don't have to keep the HK 3480.
4)Outlaw M-200 200wpc monoblocks, use HK 3480 as pre/pro.

budget is under $700.