First go at something besides computer speakers. Demo'd the 683 as well and liked the 684's better.
Most played content is 2ch. but I do have some old JBL's for center and rear channel for regular movies.
Currently trying to get some treatments to go on a few walls and corners.
Future plans are for adding an amp to the mix, something like a Rotel or perhaps saving up for tubes (Rogue Audio probably) that would handle future speaker upgrades. Which are more than likely going to be Vandersteens which I very much enjoyed but I didn't really have the cash to buy and drive them at the same time (not to mention space).