5.1 ch, 65W, YAMAHA RX-V430 AMP was best product in 2002 by WHAT HI-FI ... PLZ SUGGEST best possible front/tower speakers for them... i don't know which will be compatible and sound good (I have yamaha NS-P60, 6 OHM as centre- surround) WOULD WHARFEDALE DIAMOND 9.5, DIAMOND 8.3,8.4 OR JAMO S 406 or POLK AUDIO MONITOR SERIES WILL BE GOOD FOR THEM(I HAVE 4 OHM SETTING FOR THE FRONT SPEAKERS, WOULD 6 OHM/8 OHM SPEAKERS BE GOOD MATCH FOR THEM?)