This is what a Tor Supporter looks like: Laura Poitras
blog.torproject.org
blog.torproject.org
And a good way to promote that would be to sell pre-configured, "just plug in power and ethernet" Raspberry Pi.
Raspberry Pi's have USB-based Ethernet; it has poor throughput and I heard reports of Ethernet hanging under load. It's better to have something with proper hardware networking and, ideally, disk controller for heavy usage scenarios.
[1] http://www.hardkernel.com/main/products/prdt_info.php?g_code...
Hopefully there aren't other major vulnerabilities that turn up in it... but that's like wishing for a pink unicorn that er... expresses rainbows rearwards. :D