Neither will track the Bucks County digital trunked radio system. In order to monitor them, you need one of the following:
Pro-96
Pro-106
Pro-197
Pro-2096
BCD-396T
BCD-396XT
BCD-996T
BCD-996XT
PSR-800
Once they switch to the new 700MHz P25, the PSR-800 will be the only one that will pick them up