I need help. I am trying to find somewhere in Manhattan to hold a birthday party for my boyfriend who is turning 40. He wants a relaxed atmosphere where people can pop by for a drink or hang out for a few hours & have some appetizers. Everywhere I contact seems to want $35 per person & I know that many people will come by for one drink. Any suggestions on a place that might be a bit more frugal for those who won't stay long? Looking to invite about 25 people.