Timeline has a rockwell-based 12 channel for $69. I already have a Rand McNally, but thought I would post for anyone interested. Please let me know if this is the right place to post this (I figure it is since I am not selling it). Here are the specs:

Rockwell "Jupiter" GPS Receiver
Miniature (2.75" z 1.5" x .25") 12 channel receiver engine. Supports NMEA 0183 and binary protocols.
Supports DGPS input in both protocols.
Compatible with active and passive antennas.
"Keep-Alive" reduces power capability.
Standard 2mm 2x10 interface connector.
Complete manual and interface documentation available.
Compatible with most laptop software using NMEA interface.
Suitable for wide rande of GPS applications including:

Handheld GPS
Automotive/ Marine/ Aviation Applications
Amateur APRS and Packet

GPS Receiver