Microsoft is offering a fantastic deal for students. Get Microsoft® Office Ultimate 2007 for just $59.95. I've seen this version sell for $485 (upgrade) to $695 (initial purchase).
Deadline: Midnight April 30, 2008
Microsoft® Office Ultimate 2007: Perpetual license includes the following applications:
•Accounting Express 2007
•OneNote® 2007 (electronic notebook--great for research)
•Outlook® 2007 with Business Contact Manager*
Microsoft Office 2007 Compatibility Pack--for those of you who have not moved to the newer version, this pack will allow previous version to read 2007 (docx) documents. I have 2007 and sometimes forget to save retroactively.