well, being from chicago and having rotated here for a month I can give a great lowdown of this program.
Hours : Probably the best in chicago. If not on call, hours are 6-330, 4pm tops. attendings are awesome about letting residents out early. they have a huge crna / attending support staff so the residents pick and choose what cases they want. the trauma/ortho/neuro/uro cases are awesome, you see crazy stuff. Peds is decent, but your pads rotation is at christ and is awesome. Hearts are weak ( but hearts are weak at a lot of places nowadays ). Transplant is weak. Regional is awesome.
Residents: a few american grads mixed in with carrib/eastern european grads. the older classes have a few 'old' anesthesiologists from europe and asia, but all the newer classes are carrib with a few american grads.
Organization: cook is not a organized hospital. They are incredibly busy, there isn't a ton of 'camaraderie' between the residents, hence i think no dinner. The teaching is still good, the didactics are decent and improving, but they give u a decent amount of time to study on your own so no big deal.
they used to primarily prematch, but have moved away from that this year. They have enough applicants where i think they are probably going to do 1/2 prematch and 1/2 match. The pre matches are usually for their advanced spots and offered to prelim-surg or IM candidates, but are occasionally offered as categorical spots too.
Not the place to go for glitz and glam. If you want to stay in chicago , want decent hours, and to be a competent anesthesiologist, it's a decent option. I have interviews at a lot of 'bigger' names but i would consider it for location, hours, and the decent fellowship matches. if you don't mind IMGs and some attendings with heavy accents, u can get a lot out of county; it gets a much worse rep than it should.