If you like the klipsch and depending on your budget for with a set of the RFII bookshelf speakers and one the matching centers. They all share the same tweeter so all sound pretty much alike.
There are some differences in the mid range sound as you go up in woofer size though.
Klipsch RF-62II, RC-500, RS-400, SVS PC12+,
Def Tech SC8000
Harman Kardon AVR 1600
PS3, Apple TV, Sharp 70" Qattron