Not exactly a boombox, but still worthy of a mention here.
http://www.youtube.com/watch?v=kzmKWFVVvlE&feature=related

Ha-ha! I love that "casette-girl"

SUPER!

Very kool video.
I enjoyed it.

that was great! i loved the boombox suit design it would make a super cool custom box no doubt especially the l.e.d meters they rock.