Below are sites that have great tips and advice for your party.
All Recipes
www.allrecipes.comA user based recipe website. This website is a great source for any kind of recipe you may want. Tip: Start with the "Favorite Photos" section if you are just browsing
Epicurious
www.epicurious.comA compilation of recipes from some of the top food magazines: Bon Appetit, Gourmet and Self
Food and Wine Magazine
www.foodandwine.comA website version of the monthly peridical.
Martha Stewart
www.marthastewart.comWhatever you may think of her - this website has some great ideas. It has suggestions for just about any element of the party you can think of: recipes, drinks, decorations, invitations, EVERYTHING!!