I already use David Barnard's great Gas Cubby app to track all of my gas purchases on my little 2005 Matrix, but since I'm getting ready to drive up to Las Vegas today for the big CES show this week (stay tuned for lots of Apple-related coverage right here on TUAW), now seems like a good time to take a look at Trip Cubby, another solid tracking app from the developer. Trip Cubby allows you to monitor and track any driving trips you happen to make. While the app is made to track them for business purposes (if you need to get reimbursed or paid for your time on the road), you can track your mileage, travel time and expenses for any reason at all. Before a trip, you just enter some basic information about where you're going and why into the app (and you can tag it with whatever else Read More