Aloha to all.... This is my first post here...so go easy on me...I'm still taking my vey FIRST steps in the world of A/V I have just purchased a Yamaha RX-V540 reciever for my living room (newly married!!) and was hoping to pair it with a good set of speakers... :cool: Its about 20ft x 15ft Here are my options: 1- Bose acoustimass 6...didnt like how they sounded 2- JBL SCS178....nice.. http://international.jbl.com/home/products/product_detail.asp?ProdId=SCS178/230&SerId=SCS&language=ENGLISH 3- Infinity Primus HCS....nice.... http://international.infinitysystems.com/homeaudio/products/category/primushcs_series.asp?language=ENGLISH My mind is almost set on the JBL set...however there is one difference i noticed...the nominal impedence on the JBLs is 4ohm and on the Infinity is 8ohms.... i read somewhere on these forums that the LOWER the impedence the BETTER the speaker?? true?? Secondly...does the Yamaha RX-V540 support either the 8 or 4 ohm impedence?? P.S. Please do not suggest ANY other speaker brands...I know there are some really much better brands...but these are the ONLY brands I have where I live... And in case anyone tells me it all depends on how i like the speakers and how they sound...well...it would very much help to get some expert listeners' opinion... :rolleyes: Thanks!!