The National Center for Atmospheric Research, Boulder, Colorado.
Many hotels offer government rates.
Check out the Boulder Chamber of Commerce Page and their Lodging Section . If any of you are tempted to stay in Nederland, please note that this lovely little town is about 17 miles up a canyon from Boulder. Hi-brightness overhead projector. When the champagne powder flies, and it often does here, Steamboat can be tremendous. Also, super cross-country on Rabbit Ears Pass.