re: 7 yr old's 1st guitar...which to choose?

What kind of music does he like or want to play? That will dictate the type of guitar you should buy him. If he's not interested in the music, he wont play. I personally started on an $40 hondo electric guita (i didnt even have an amp for the first month or so). If i'd started on an acoustic I don't think i would have stuck with it, but I listened to and wanted to play mostly alt rock and a little Metallica.