Nope, the console is not disabled.
Anyway, I managed to do what I needed to (install/assign another NIC) via the GUI (temporary blindness stopped me the first time) and it seems to run OK.
FYI
pfSense version 1.0.1
lightsquid 1.7.1
ntop 3.2_2
squid 2.6.5_1-p15
Cheers and thanks.