I'm looking at purchasing one of these
http://cgi.ebay.com/SONY-CAR-AUDIO-MP3-WMA-DSXS300BTX-PLAYER-USB-FITS-FORD-/390285514298?pt=Car_Audio_In_Dash_Receivers&hash=item5aded4563a#ht_4123wt_1139
do they still produce different versions for the US, I understand the FM frequency steps can be different?