EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this 2001 Annual Report on Form 10-K into the Company's previously filed Registration Statements on Form S-8 (File Nos. 33-83378, 333-34313, 333-33860 and 333-56612), Registration Statement on Form S-4 (File No. 333-59176) and Registration Statement on Form S-2 (File No. 333-73178). ARTHUR ANDERSEN LLP Las Vegas, Nevada March 25, 2002