Of course it's a heartbreaker. It's not called the house of pain for no good reason. Best tip here is the cafeteria on the 9th floor with spectacular views of the city for free.
Wear comfortableshoes because you are going to learn what standing in a line that never moves is all about. Also, don't cut in line! The natives will eat you alive for such a transgression.
If you are late on your 2nd day of service they will not start until you show up. So make sure you are on time or call in and let them know. Expect dirty looks from other jurors.
Someone said that this is criminal cases, they just announced they are mostly civil. So if called here, I believe you will most likely deal with a civil court case.