Seeking food ideas for Sept 12th barn party in Newton/Weston area

Hi all, I am throwing my husband a 40th birthday party at a barn in Weston on September 12th. Since we have three kids (including one baby!), I am behind on the food part of the event. We will have a drum circle and then a jazz trio during dinner and dessert. The event will be informal with about 65 adults AND kids. I am looking for some delicious food that won't break the bank and that can be served cold (if possible!) and as a buffet. My husband especially loves cheese, local produce and creative food. Any ideas of good, reasonable caterers/cafes in the Newton/Weston area? (We live in Newton, and the party will be in Weston Center.) Many thanks in advance!