There is free street parking that are avalible on the blocks around BSLC that are free (Look for spaces between 55th and 57th, and S. Ellis and S. Woodlawn). There is also the free Ellis Ave. parking Garage (on South Ellis and E. 55th St) that can be seen here http://maps.uchicago.edu/directions/parking/north.shtml.
If you are coming Friday night, please bring socks for bowling. For Saturday, please dress in business attire. For guys this means at least dress pants and a dress shirt. For the girls, I would suggest wearing comfortable (but still business) shoes because there will be a fair amount of walking. Remember, there will be medical school representatives from all over so we want everyone to look their best!