I was wondering if anyone here had suggestions regarding enclosures / form-factor PCs that they would recommend using PFSense with.  Ideally I would like something that has a hard drive and at least two NICs.  I've currently been playing with Soekris net5501 devices, but having to pop the hard drive into my PC every time I want to load one takes a significant amount of time (at least in comparison to easily putting the embedded version onto a CD card).  I was looking towards some sort of form-factor, if only given that the processor speeds are going to be better and the inclusion of an optical drive means I can just use a LiveCD and easily install a bunch of the devices at once.

Any suggestions?  Thanks in advance.