I want to upgrade my PC speakers mostly for listening to mp3's. I'm trying to avoid a subwoofer since I really don't have the space for one. Does anyone know a good 2 piece shielded, powered speaker system I could try? I want some decent tight bass and accuracy. I don't need a lot of volume. I was checking out the Bose MediaMate and Yamaha YST-M100. They both got pretty good reviews but I haven't been able to hear them play. If you have tried these speakers or know of something better please let me know. Thanks