I'm currently running a 5.1 system with M60's a VP150 and an EP500 up front with QS8's on the rear wall.

I would like to go 7.1 and place two more QS8's on each side of the couch but unfortunately I have nothing to mount them to.
I think I'm going to use a pair of the FMS QS stands but before purchasing these I have a few questions:

1.) How stable are these stands with the QS8 mounted on top?

2.) Has anyone used the Axiom rubber balls and if so how many boxes of rubber balls would I need to fill a pair of these stands?

3.) Has anyone used an alternate source for filling the stand pillars?

Thanks,
Zak


Panasonic TC-P65V10 65" Plasma
Sony KDL-55XBR8 55" LED LCD
Yamaha RX-V3800
Axiom Epic 60 - 500 (7.1)