This issue has come up several times. Here is what USCIS says:
USCIS Considerations to expedite Cases
All expedite requests are reviewed on a case-by-case basis, and are granted at the discretion of the Director. The criteria are as follows:
* Severe financial loss to company or individual
* Extreme emergent situation
* Humanitarian situation
* Nonprofit status of requesting organization in furtherance of the cultural and social interests of the United States
The news item and related documents are available here:
http://www.immigration.com/newslette...prmprocss.html
Please note, for now (June 2008), premium processing is only available if you meet ALL of the current requirements:
1. Your are currently on H-1;
2. Your H-1 status is expiring within 60 days when you apply for I-140 premium processing; and
3. You are not eligible to receive 1-year H-1 extensions because your labor certification was filed less than one year ago.
Published by: Light Reading - Date: July 31, 2003
Quotes and Excerpts from Rajiv on the article:
"There are eight or nine bills pending with similar provisions [to Tancredo's]," says Rajiv S. Khanna, a lawyer specializing in H-1B visa issues who practices in Arlington, Va. But he thinks the H-1B visa program already has shrunk along with the rest of the economy. "It's down, in my opinion, to 10 percent of what it was."
For more details please see the attachment below.