Probably the thing the most people are looking for is driver support
for 802.11g cards.
Good summary of networking enhancements posted here a couple days ago.
Especially of note is it'll route 1 Mpps, while Linux can barely do
100 Kpps. :)
> Speaking of SMP systems, will m0n0wall take advantage of a SMP system?
Not in the release builds (no kernel SMP support).
> Is it worth using an SMP box, or should I try to pick up another non-SMP
Depends on what you're using it for. If you're using features other
than the typical NAT/firewall, it'd be beneficial to run SMP. Unless
you have a fat internet pipe, you probably aren't going to notice any
speed improvements from a 200 MHz to anything else.