>Mimic Microsoft Office apps as much as possible. IMO, they aren't the sexiest or easiest to use, but they are the most familiar. People will feel more at home than something that is different.
Even for apps designed for touch screen? MS's app. buttons tend to be small.
Work as if you don't need money
Love as if you've never been hurt before
Live as if this is your last day to live
Dance as if no one's watching