I have to agree with Bug! The processing algorithms and switching found in receivers and pre processors will most probably continue to change.

A good set of speakers will last a long, long time. A set of separate amplifiers should last just as long.

Good Luck!

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