Why is this man smiling? Bill is the proud owner of several large, glitzy ghettoblasters, including this Conion C-100F. But that’s not the only reason he’s grinning: he sold a system just like this one for US$700! We’re clearly in a seller’s market for boomboxes. We’re only praying that sales gurus at Sony, Panasonic, Aiwa and Sharp are viewing this site and thinking…