Happy Hour Bridal Shower In Chica

Hi! I`m starting to plan a bridal shower for my future sister-in-law and we`ve settled on a weeknight event at a restaurant/pub for drinks and hor d`oeuvres for about 60-75 people. I know that it is going to cost a bundle... So I`m trying to find a place that is casual without being too casual (i.e., appetizers a bit more interesting than cheese sticks and potato skins). Any ideas for locations in the south suburbs of Chicago? Or any suggestions at all? I`m at a loss and would love to bounce ideas around! Please help!