"We've spent the day downloading and experimenting with various apps, some of which behave just like full-fledged, existing desktop software (such as StuffIt Expander and iPhoto), and others that function more like widgets and/or iPad apps (such as Twitter).In the meantime, we've outlined our top 10 picks below. We've more or less skipped those that already had a desktop application available, unless the app version was significantly discounted."