People everywhere warn against ubershaders, but I felt I needed to make that mistake personally.
http://undo.fi/houdini/uber/
This is a work in progress, consider it "public beta" at this point. Comments/bugs very welcome.
Rationale: Much of the work I do is very fast-paced, sometimes just a couple of hours from start to delivery.
The stock materials are nice but not always flexible enough, and wiring up new ones from scratch is often
too time-consuming. Hence this try at a generic-use mat