There is and has been lots of discussion about the amp subject on this board.

I'm not sure that there is a good or easy answer to your question.

At the risk of being crass, "it all depends."

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV