With its cutesy, annual one-penny price hike, winter Restaurant Week starts today. Three-course meals at selected D.C. restaurants are $20.10 for lunch and $35.10 for dinner. Longtime residents know the drill by now: you either love getting to try to new dining options for a relative bargain, or you feel the restaurants don’t put their best foot forward, for whatever the reason, and prefer to sit it out. If you’re new to Restaurant Week,…