if so, it'd behoove you to do some research ahead of time in terms of what classes you can take/waive/add and which instructors to choose.
ac's datalog for example coupled with the campusweb schedule is a very good resource. it's kinda tough because as a new student you aren't privy to word-of-mouth and such but if anyone is looking for advice for the first couple of days i'd be more than happy to help.
i am first term btw so not very experienced but 'orientation' is still very fresh in my mind .
just a thought...