Already done basically, so I suppose there's little point going to the advice day then.i wouldnt bother tbh. Unless you're having basic issues.
Once you know that a course = 6 units. 4 courses a semester, 2 semesters a year. You're pretty much set. The FAQ covers the basics
Then just read the major you want to do, and the bachelor degree your doing. Find the combination that fits all the requirements, then look up individual courses on the net. Yeh it will take a few hours, but it will save you from looking like a retard in the first week.
take a look at the undergraduate handbook. It usually gives you a suggested enrolment table that you can use as a starting point