Hi jpgleason,
first question: you mean layer 2 switching or you just mean moving packets form LAN to WAN (i.e. routing) ?
In any case to answer your question it's important to know some more information, for example: which kind of WAN link are you going to connect ? Which feature do you need (e.g NAT, IPSec,...) and which routing protocol (and how many entries in routing table).
Bye,
e
in the meanwhile try to have a look to attached document