Use true promiscuous mode support available in latest wlan-ng
drivers rather than monitor support.

Add GPS handling code

Add code to maintain lists of MACs that associate with
various access points

Display SNR and time of last receipt info for each AP

Offer real time decryption for APs that have been cracked

Implement the "Last Seen" portion of the gui

List APs that are not using WEP and indicate whether WEP is
in use with some flag in the display.  Something along the
lines of NetStumbler or PrismStumbler.