Found Wiki entry through that link.
http://en.wikipedia.org/wiki/WRT54G
I think if I end up trashing this router I'll replace it with the GL ftw.
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For anyone using this troublesome V5 router and having winsock errors, do this:
Start > Run > cmd > netsh winsock reset
and restart.
Should fix the error. I got it after reconnecting a couple nights ago trying to load Steam.
(Router DHCP crashed as I was typing his and was forced to upgrade. Killing the wireless computers and restarting the hardlined one corrected it long enough for me to finally upgrade the firmware.)