Holux GPSlim240 - GPS receiver module
This small GPS receiver is the same length and width as my USB flash drive and about twice as thick.  But despite the small size, this unit is far ahead of the HP bluetooth GPS receiver that I previously used.  It can get a satellite fix usually within 10-15 seconds.  It can even get a satellite fix while indoors (of course that does not have any real value but it just shows how sensitive the unit is).  I can put it in my shirt pocket while driving and still maintain the signal.  And it is small enough to a