Great view! WE went at night time but did not do the Tilt!
Though this observation deck is not as high as the Willis Tower, it does have a 360 degree view. Also, tried the TILT, it was great. You stand in a window with rails to the side and lean out over the side of the building looking straight down at the ground. Fantastic! If in Chicago a must see.
views were great. it was a little confusing getting there and even inside was confusing.