Now I know a little bit about stereo equipment and music. My living room has some quality stuff in it and all of my serious listening is done through a pair of walnut Bozak Concert Grands circa 1971. These things look and sound like the day they were manufactured. Now to the topic on hand. I purchased a 60in Panasonic plasma and want to set up a home theater system. I need 4 bookshelf speakers to mate with a 12in HSU subwoofer. I auditioned about 8 different ones in the last few weeks. My daughter has a pair of Klipsch RB-51 ll's in her apartment. I borrowed them for 2 days and set them up in my living room about 10ft apart. My living room is 28'x32'. I set them up in 2 channel mode hooked up to some Rotel equipment. These little monsters filled my living room with sound. They are super efficient. The sound from the horn tweeters was not harsh or shrill. I played jazz, classical, and Neil Young to Buckcherry through these things and the sound was amazing. I also borrowed a pair of my neighbors RB-61's to do a comparison test test. We both agreed that the 51's imaged and sounded better. Looking for feedback from longtime owners of these. How do you like them? I can say I'm very impressed with them. Thinking of ordering 4 with a matching center channel.