As a business lawyer, I am reluctant to recommend do-it-yourself solutions. I have seen many business people run into problems with do-it-yourself contracts, Wills and other documents. With that caveat, the NOLO Web site is a great online resource.
The NOLO site covers several categories including:
Again, I think business people are sometimes surprised to learn that contracts and other documents do not necessarily cost an arm and a leg when you visit a lawyer who regularly practices in business law. By effectively using technology, many lawyers I know have been able to effectively reduce costs.
However, I do agree with a recent post on Mindpetals. There is no substitute for competent, motivated representation from a lawyer but the more you know about the law the better off you are.