Exhibit 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANT NBI, Inc. Longmont, Colorado We hereby consent to the use in the Prospectus, constituting a part of this Registration Statement, of our report dated July 31, 1998, relating to the financial statements of NBI, Inc., which is contained in that Prospectus. Our report contains an explanatory paragraph regarding the Company's ability to continue as a going concern. We also consent to the reference to us under the caption "Experts" in the Prospectus. /s/ BDO Seidman, LLP BDO Seidman, LLP Denver, Colorado October 27, 1998