The last 20 years or so, we have gone to church Christmas eve and then returned home for a buffet. That means deli platters, cocktail sausages in bbq sauce, vegies and dip, cold shrimp ... Christmas dinner is an elaborate affair that involves dirtying every pot in the kitchen (so Mrs BV tells me - I don't do the clean-up).
Sadly, this year we will be moving a week after Christmas and cannot host a feast. I'm thinking we'll be eating out both days with whichever kids want to join us.