Fascinating, thanks for the detailed responses folks; I've learned a lot. I like the suggestion of using the -3dB points as guides for setting the highpass for the various speakers, and I'm fortunate to have an old Home Theater magazine SPL plot to go by for these speakers. (however this plot is using the Sub 250 rather than the much larger Sub 500).

I will definitely set the front speakers to 'small' and play around with the settings. It makes sense. Now if we only had the same amount of great information on when the 980 will be available! smile

-Jeff