Racking to a secondary is not necessary. The only time I secondary is if I'm aging a beer for more than a month or if I'm adding fruit to a beer. When it comes to priming, I would highly recommend getting an autosiphon. They are relatively inexpensive and they work great.
Kegs: Galaxy Pale Ale, Chocolate Oatmeal Stout
Primary: Berliner Weiss v. 1, Berliner Weiss v. 2, pilsner