A few years ago i ran all new coax thru out the house is it worth upgrading to the RG6 ? Is it that much better.The reason i'm asking is i have practically tv's in everyroom in the house, and i know the RG6 is a bit more expensive, installing it is not a problem (drop ceilings in basement) My second question is i'm not getting the best signals to my plasma which conincidently is the futhest from the 8 way splitter with one of those being split twice because i counldn't find a ten way splitter. Is there something i can use to improve the signal just to that tv ? Its approx a 25' run. I do use an HDMI cable from the cable box,which is approx 12' and run under the floor to a cabinet housing the cable box. A signal amp ?