Edmond - I'm not sure what kind of a deal you were getting on the Sunfire, but for comparative purposes, here are some links to Crown amps, which Alan from Axiom has recommended as high-quality amps that will have no problems driving any of Axiom's line-up (including the M80s).
All wpc #s into 8 ohms, since you have M60s...
XLS 202D200x2, $299
XLS 402D300x2, $399.
XLS 602D380x2, $499
Note that while these are very affordable amps for the price, one feature they do not have that is a turnoff to many for home theater use is a power trigger that turns them on only when your receiver turns on (and vice versa). There are ways around this limitation, but it is an annoyance that should be kept in mind when comparing to other amps.
Jason
