re: Dennis (Tharkun)'s system -- don't forget the stack of big-ass Halo power amps that keep the voice coils glowing gently. Dennis also did some very nice carpentry and design for the cabinets and shelves that house everything. Here's a link to the site :
Pmbuko and kcarlyle have visited Dennis, heard the system, and were duly impressed. Apparently it was too heavy to carry out the door (even in 10 or more trips) so they left it there.