I wish Pfsense hardware was more affordable so more people could afford to run it.
http://www.ebay.com/itm/Quiet-3-0GHz-core-2-duo-pfSense-Fire...
I'm not sure what you mean by "vendor spying". Perhaps this is a reference to the FCC-required controls for 802.11 devices.
https://world.taobao.com/item/520967318043.htm
1.8GHz dual core celeron, 2GB RAM, 25GB SSD, wireless + gigabit LAN, fanless and in a nice box with power supply for $100 + shipping.
Disclaimer: No idea how difficult it is to purchase from taobao internationally and this vendor/model may not be the exact one I'm using, but it gives you an idea of the economics that are possible.