Just an FYI... I booked a table at SushiSamba via opentable.com a week ago. I called this morning to confirm and was told that the restaurant required a credit card # to hold the reservation.
There was no mention of this on opentable. Normally I won't patronize a place that requires a CC (there are just too many great dining options that don't require it), but unfortunately I am stuck with SS because it's too late to book something else. Aggravating.