Well, I setup up another machine with following those instructions - real basic… Still no good... So I know it's not the pfSense setup (I've setup pfSense countless times in different configs, so I doubted it was setup wrong).
Anyway, I think I figured out the problem after watching the traffic on the network interfaces - the switches weren't configured to be in promiscuous mode... I reconfigured and was able to get to one website across the bridged interface. Tomorrow (well, today now, for me), I will go ahead and try it through pfSense.
Thanks again... If I still need help, I'll go ahead and post back.