This is weird, I am just putting together a pfsense box myself for all my routing needs as I am typing this

Trust me I'm no *nix expert but its so easy to setup, there are tons of tutorials out there to help you.

I ended up using my dual P3 box with 2GB of RAM, I brought a CF to IDE adaptor and am running a 2GB CF card for pfsense (modified embedded version - less read/writes to the CF card but with full VGA support)

It's just formatting the CF card as I type this, next up is to install the 2 Intel Pro100 server NIC's I bought for £2 each brand new

I'll post up pics of when its all done.