If you've just thawed them out, they should be okay, but if they've just been
sitting in your fridge since you bought them, I'd say bung them. Not worth
going down with salmonella poisoning!
And that's how supermarkets make so much money. It's reckoned that we throw away something approaching 30% of all food we buy. These dates are only a guide. If anything smells OK and it's cooked properly it will be OK.