If you haven't got loads of luggage there are frequent buses that go to & from International Drive for only 2 bucks. Saves a lot on taxi or shuttle fare.
The new preTSA check line only applies to Delta passengers. Even If you use the service on a regular basis, they will deny you if you are flying another airline
Did I forget to mention that Orlando Airport is B.Y.O. chewing gum? Not gonna find any of that, curbside or airside. Security lines are insanely long during travel season.
Virgin America doesn't have a dedicated counter, so if you're more than 4 hrs. early, you have to use the generic check-in kiosk, then hang on to you luggage until the counter opens.