And found [link|http://slashdot.org/comments.pl?sid=207262&cid=16899038|this] comment on /., which seems to sum it up in a nutshell.
ETA: And I still don't know anyone - at all, online or IRL - who's got one. Even gadgetboy who sat next to me at work, who had the [link|http://www.mobilegazette.com/nokia-n93-06x04x25.htm|single biggest mobile phone in the universe], and various Archos media players, was on first-name terms with the staff at [link|http://www.firebox.com|http://www.firebox.com] and introduced me to [link|http://www.tokyoflash.com|http://www.tokyoflash.com], didn't have one.