An LLC is ABSOLUTELY NOT always the best decision. It depends HUGELY on what each founder's financial and tax situation looks like now, what it will look like in the future, what your company exit strategy is (manage for life, sell to strategic or financial buyer, hand to your kids, etc.), how quickly and in what fashion you want to receive cash, whether you'll ever take on new partners or investors, and about twenty other important questions.
Any organization that always advocates one company model over another almost certainly only really understands that first company model. I've started three LLCs but chose LLC as the structure for specific reasons.
Nolo has some excellent books to help you get started, and I love them, but only use those if you intend for this company to remain small; less than $10 million in revenues or assets. If you're thinking bigger (and even if you're not):
1. EACH FOUNDER SHOULD EXPLICITLY SET & STATE THEIR GOALS. What do you want to get out of this? How much money? When? How long do you want to do this? How much time and effort will you put in? Is this a part time or full time gig? What specific things do you bring to the table? What will happen in 3 years if one of the founders wants out but the others want to keep going?
2. Then, go see an attorney. Without clear goals, they can only give you crap for advice.
Good luck!