Having used a textbook for a class this term in philosophy, I have to admit it has its advantages. One book to rule them all, so only one text to worry about bringing. This particular textbook was made up of selections of various writers, so the end result is different writers and selections put in stark contrast to one another. This gives a real sense of conversation going on that is harder to get with multiple monographs in one semester.
Much of my own education was not with textbooks, and for this I am most grateful. But I can see where, with an introductory class, a textbook can be useful. Sort of like a foodcourt--not real food, but useful at times, and at least you don't leave hungry. You might even try something different …