What is the situation like at ORD? I keep hearing that it's shrinking, but does it appear to be on the verge of extinction?

What do the lines look like there? How many, length of trips, commutability, time to hold a line?

I'm going to be commuting from AUS until I can get IAH and ORD seems like my best bet if I'm looking to avoid a 4 hour commuting leg without connecting.