I think you answered the question yourself, Larryi. It can be a very very good idea if the surrounds are in good shape. Unless I miss my guess, that's the only part of a speaker that can "wear out". Crossovers can be upgraded w higher quality capacitors and resistors, ditto w binding posts and wiring. But if not abused, the drivers should never wear out. Of course, I'm talking dynamic drivers, not panels or plasma tweeters (not sure about ribbons). If a pair of speakers sounds good w your amp, really should not matter what they cost.
