Trust me. I talk to a lot of first years and they always go against my word and buy the textbook. I'll be careful in what I say, but IBP is a subject that doesn't require a textbook whatsoever. It just requires hard work and a teamwork. You'll only need the Barron Law textbook.
Also, never get...
I won't lie - job prospects are pretty grim. Even though the economy is doing well (relatively), unless you are the best of the best, it will be hard to find a job in I-Banking, or even institutional banking (NAB, Westpac, CBA only take around 8 grad in institutional banking a year).
However...
Hi there!
Currently third year B Business/B Laws and the VP of the UTS Business Society. If you haven't already, you should get onto registering for O'Camp! (http://utsbsoc.com/ocamp/#.Uu9GUbR9XUM)
To answer your question though, do get the Foundation of Law textbooks, the Accounting...