Most cookware is fine. I'd replace anything wooden (spoons, rolling pin, cutting board) and anything with a fine mesh (strainers, collanders.) The toaster will have to be replaced. The only reason I'd replace pans is if they had cooked on grease that won't come off...and in that case, you can delay replacing them by putting foil between them and the food when you cook.
Otherwise, just clean things really well (and replace your sponges if you're cleaning dishes with those.)