Wedding Cake Decorating

Hi everyone I am getting married june 2010, I was wondering will it be better to cater food for at least 60-80 people or will it be easier to cater my own wedding. My FH and I are at war LOL with this issue. Catering can be expensive. But will people really put the time and effort into making food for our wedding. And is it tacky to ask people to make a dish for our wedding. We would like our guest to enjoy a day of relaxation and have fun, not have to woory about a week or so to do the preparing. And how early will I have to prepare food to cook for all of my guest. Here is my list and let me know what you think,any suggestions will be appreciated.

Meat:
Baked Ham
BBQ Chicken
Baked Chicken
Pot Roast or Sliced Turkey with Gravy
BBQ Ribs
Fried Chicken
Turkey Wings

Side Orders:
Rice & Peas
Yellow Rice
Macaroni & Cheese
Tuna Macaroni Salad
Potatoe Salad
Tossed Green Salad
Collard Greens
String Beans
Cabbage
Corn On Cob
Corn bread
Lasanga Or Baked Ziti
Dinner Rolls
Veggie& Fruit trays

Along with drinks,cake. Is my list too much should I add or subtract and how many long shallow pans to make of each.Thanks again.