On my Linksys 802.11GS I have the reverse MAC address feature enabled (if you're not on the list you better learn to spoof) as well as I'm using a 128bit WEP key (I was using TKIP but my wife's PDA wasn't compatable).
Donate to UGN Security here.
UGN Security, Back of the Web, Elite Web Gamers & VNC Web Design Owner