Corvettes are not really practical for hauling PSR 9000s anyway.
I've had the 9000, and I have the Z2200. Have not heard them together, but it would HAVE to sound wonderful. Gary tells me that the 5500s sound much better than the 2200s. I would have no reservation in ordering a set. In fact I might, when Gary figures out how to cut the set-up time down a little. With 5 speakers there is necessarily a little extra hooking up.
Now you have to find a stocking large enough to hold the new system.
DonM
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DonM