I was admitted to Rice but decided against going.
They send out their invitations for an interview in mid-to-late January followed by a decision letter within two weeks of the interview. Within the letter will include information about your stipend, health insurance, etc.
The program is quite new. The faculty are very productive, and I would highly suggest anyone interested in sociology to visit this particular program. It's strong, budding, and the (few) students in the program are thriving.