This may be too far out of the way for you, but Scuba Joe's in Boulder(http://www.scubajoe.com) does a good job. It has its own pool on site for instruction.
Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
BurBunny:Yes, Flatirons is moving a short distance away. Their rent went sky high. Not sure the date or exact location, but you can call them at 303-469-4477.