For those of you with a creative nature, and no buddies with hundreds of thousands of dollars worth of CNC machines or easy access to a local shop to do small quantities, there is a Web based service that I've used for 7-8 years now for some of my proprietary parts. They have a free Cad program you download, then design away. Instant quotes available on most any quantity, and the full gamut of machines available to make your part. Extensive materials list too...
Check it out at:
CNC Machine Shop | Custom Waterjet, Plasma, Laser Cutting | eMachineShop.com