Went ahead and bought one, it works really well on both phone, and PC.

For future readers of this topic....
Some data from the Racelogic VBox Sport.





And some graphical data for a 0 - 100 run in 11.37 seconds.


30 - 50mph in 1.8 seconds.


50 - 70 in 2.5 seconds


70 - 100 in 4.8 seconds