Now that the excitement of online check in has subsided, I think that most will agree that it has limited benefit for DVC members. The process was implemented to cut costs for Disney and speed up the check in process for Guests. Sometimes it takes longer to get served when you check in online than if you don't.
Disney's Online Check-In is the fastest, most effective way to begin your stay at a Walt Disney World® Resort hotel or at Aulani, A Disney Resort & Spa.