I think this depends on where you are having it and if it is buffet or individual meals that are being served. We are having a semi-large rehersal dinner at a pub and grill. FH's parents are willing to only pay $500 which is less than it is going to cost for everyone. My parents have paid for the entire ceremony and reception so i do not feel right asking them to chip in for the people in our family that I want to invite and we do not have enough money to pay for some. We have decided to pay for everyone that is in the wedding party, their sig. others, the parents of the children in the wedding and our parents.