Hi i was looking to upgrade my AVR come tax time and was looking to simplify things does anyone have some experience with soundbars high quality ones(KEF,POLK)If so, how good are they? and the spacious of the surround sound? And i was thinking if i have a 7.1 AVR can i realistically hookup two soundbars ? one up front and one in the back for all the surrounds? help me fellow techies you're my only hope, haha