I just ordered an HSU VTF-3 MK 3 and need some advice on main speakers, as I have a Marantz SR-7001 receiver with a Klipsch VC25 Icon Dual 5-1/4in Center Channel Speaker, a pair of Klipsch RB-61 Reference IV speakers and JBL N38II Northridge series floor spkeakers of which I would like to...