Welcome to Aximsite/MobilitySite. I moved your post to the GPS forum so it would be seen by the GPSers.
I use a Bluetooth GPS receiver and am currently running OnCourseNavigator 8.
BuyGPSNow has receivers for under $50, and a 2G OCN8 card for under $45. For the car I use a cradle with a suction cup to attach to the windshield. There are lots of cradles to choose from. Mine is powered and has an amplifier and speaker in it to boost the audio from the X51v.