I intend to build up the Epic-80.180.500. Wondering which should be a better combination of Emotiva amps (with a flexibility to upgrade to 7.1 ch):

1. XPA 2 + UPA 5 OR
2. XPA 3 + UPA 5

Considering that I'll start with m80's, would the headroom provided by XPA 3 be enough to get the best sound out of M80's (and VP180) or should XPA 2 be my choice. My setup will be used for 70% music and 30 movies.

Thanks

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