Resources:

This set of HowTo pages: http://jrwz.net/technical/mikrotik-ipv6/
Mikrotik RB750G GigE 5-port router (replaced by RB750GL, $59.95 List): http://routerboard.com/RB750GL
- Note that you can also purchase a RB750 10/100 Ethernet 5-port router for $39.95 List, as well as various other networking hardware that supports RouterOS: http://routerboard.com
Hurricane Electric IPv6 Tunnel Broker: http://www.tunnelbroker.net/
Update to "Hurricane Electric IPv6toIPv4 Endpoint updater" ( http://forum.mikrotik.com/viewtopic.php?f=9&t=56466) and Hurricane Electric IPv6 Tunnel - IPv4 Endpoint updater (http://wiki.mikrotik.com/wiki/Hurricane_Electric_IPv6_Tunnel_-_IPv4_Endpoint_updater)
Learn RouterOS by Dennis Burgess: http://www.barnesandnoble.com/w/learn-routeros-dennis-burgess/1018401647