Pros: amazing resources (library, faculty, equipment) for research
Cons: leaves very little time for life outside work, no training, inadequate equipment and support for teaching
The lab facilities were adequate for a class of 15 but I sometimes had as many as 22 students. I was offered, and received, no training, so felt unprepared for my first semester. Curriculum was provided. Weekly 15 minute long meetings with head TA was the extent of the support provided for other TA's. Compensation was the bare minimum required for survival.