To help "encourage" more of its Office 2003 customers to join its Software Assurance licensing plan, Microsoft's offering rebates. "Purchase Microsoft Office 2003 Editions licenses with Software Assurance and receive up to $38,000 US directly from Microsoft," according to the promotion that the company is touting on its Web site. The rebate program expires April 30, 2004, and applies to the Professional, Standard and Small Business versions of Office 2003 only. Read all the fine print here.