Rent Glass, no not the kind you drink out of but the kind you use to make images: Lenses. Now you can rent a lens you really wanted to buy.
This is where I want to be in October. If you are at all on the brink of advancing your career as a digital photographer, join me. No Kevin did not pay me to plug his workshop, but I heard him speak in Las Vegas and I gotta say, he knows his &^(#. Also check out his Photoshop Actions that transform ordinary looking images into something quite exquisite. His most recent Sloppy Borders CD is my favorite.