Exhibit 23.3 ------------ CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated August 9, 1999, except for note 13 which is as at January 28, 2000 relating to the financial statements, which appears in the registration statement on Form S-1/A dated July 13, 2000. We also consent to the references to us under the headings "Experts" and "Selected Financial Data" in such Registration Statement. /s/ PricewaterhouseCoopers LLP - ------------------------------ Chartered Accountants Calgary, Alberta, Canada November 21, 2000 NY/312749.2 11/22/00