Best Buy eh??? Well, get all the installation wiring and stuff there. I guess you can also get a Pioneer deck there as well as a couple Rockford amps. I'm not sure what they have for speakers, but I'm pretty sure the selection isn't oo great.... I'd look elsewhere for subs and speakers - a nice set of components of front, i.e. MB Quart, Focal, Rainbow, etc... and a single 12" sub from Image Dynamics, Kicker, JL, etc... should be nice...