Econlib - Neoclassical Economics
A very interesting essay which serves as a good primer to neoclassical economics. It takes the position that: "We're all neoclassicals now, even the Keynesians, because what is taught to students, what is mainstream economics today, is neoclassical economics."
The Political Origins of Neoclassical Economics
An interesting look at neoclassical economics. The most useful feature of the page is the very extensive bibliography, which is incredibly useful if you're doing a term paper on neoclassical economics.
A Critique of Neoclassical Economics
An interesting critique which tries to focus on neoclassical economics. The article seems to be more of an attack on the culture of academia rather than neoclassical economics, but it is a must read for any graduate student in economics.
Wikipedia - Neoclassical economics
An encyclopedia entry on neoclassical economics. Contains a lot of useful links, as well as important names and dates; useful if you're doing a project on neoclassical economics for a history of economic thought class.
Drexel - Neoclassical Economics
A very basic primer on neoclassical economics. Useful to those who know almost nothing on the subject, but probably redundant to those who already know something about neoclassical economics.
Economics from A-to-Z
Looking for information on "Money" or "Dow Jones"? Check out the new "Economics - From A to Z", which works like the index at the back of a book. A one-stop place to get all the information you need.