If you want to use your laptop on the writing portion of the California Baby Bar or the Bar, be forewarned. The software they use to administer the exam, SofTest by ExamSoft, is currently not Mac compatible and will not work on VirtualPC. I'm not sure what the policy is in other states.

Laptop policy for first year law students' Bar exam
Laptop policy for general Bar Exam

Strangely, laptops are required to have floppy disk drives.