Maybe you could alter/rig your current stands to work with the Q's for surround purposes, make a bottom plate the same size with a hole in it to accomodate the bottom driver.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85