I have a Sunbeam contact grill which is the same thing - It's a great gadget for low carbing.

I use it for steaks, chicken, link sausages, - GREAT for Salmon Fillets & butterfly pork chops - and veggies like 1/2 inch slices of zucchini and summer squash, and pepper strips. I've not explored its full potential, I'm sure.

As for cooking times - about 10-12 mins for well done meats, 7-10 mins for chicken breasts depending on thickness, and 5 for veggies and Salmon (Salmon fillets should flake easily). New Foreman grills should come with cooking guides. Use a meat thermometer if in doubt, especially on chicken. And I use a cooking spray.

I don't like burgers on the contact grill, though - too dry. Try roasting burgers in the oven instead of pan frying - mine come out really juicy and flavorful.