i got 2 Symantec SGS1660 routers that have pfsense 2.1-Release loaded on them, both brand new and in original boxes
just opened to install pfsense 2.1-Release $100 each
these have Via C3 at 1.3Ghz , 6 Intel Gigabit Ethernet ports,40G hard drive and a serial console port.
1 Watchguard X5500e , already modified bios installed (Stephenw10) and 2.1-Release installed on a SD card. $100
all of this stuff is Mint and come with rackmount brackets.