The Tortec Expedition front rack is a cleverly designed unit that allows a degree of flexibility in fitting without adding too much weight or complexity to the design. It's easy to fit, and in use is stable and reliable.
Although it can be a fiddle to fit, Madison's Summit heavy duty rack is a quality item at a sensible price.
Panniers are a great way to lug stuff about, but what do you do if you can't fit a rack? This QR carrier fits in seconds to your seatpost and it's an effective way of quickly adding carrying capacity to your steed, that you can just as easily remove.