I think expectations affect hearing!!
Anyway, all is not lost. When her indoors has got over the money spent so far, I can get a couple of good (tried and tested) floorstanders, reconfigure the amp's speaker configuration and move two of the sats to Back Surround, and have a true 7.1 sytem!
The articles on the newcomers board about setting up systems is really, really helpful and the author seems to think the above is better all round.
WorldLeader, you are happy with your system, therefore it was much better value!!