The Dickens Christmas Festival in SLC has two Friday dates, the 7th and 14th. The event starts at 4pm and goes till 9. It sounds like Friday was the best day for most people; is that still OK? Meeting at 6 or 7 would give us plenty of time to walk around and still let latecomers meet up before closing.
There was some interest expressed in a Secret Santa gift exchange. I'd suggest the same guidelines for the last gift exchange ($10 value firm, wrap it pretty).