maintenance

Hello all. I just purchased a 2007 SXT from a friend and am very impressed so far with the vehicle. Does anyone have any tips or advice about basic repair or maintenance? Anyone have any problems that I should keep an eye on? Made any cool modifications that you suggest? The only thing that I'm...

... to log fuel fill ups (gallons/mileage), maintenance, service/repairs, upgrades, etc? Don't get me wrong, a paper notebook is pretty easy. But they get thrashed around, and there's an extra step (calculation) to check fuel mpg's, etc. on a consistent basis. Having a digital log at my...