For Mac Users-The Software Suggestion-MMMI
Microsoft Office is said to be the Gold Standard for both Windows and Mac Operating Systems. It can also be rather expensive. In the Home/Student Edition of MS Office:Mac 2008, 1 GB of space is needed on the hard disk. Business Version requires 2.3 GB on the hard disk. The 1st Version is anywhere from $99 to $149, while the other is around $399.
In my system, if I need templates for my writing, I use iWork '08 Pages. If I need total Microsoft Office Compatibility, I have it in Neolithic Office, a Mac OS X port of the Open Office Project. Having both Office Suites from Apple and Neolithic Office, the total GB Count is 1.6GB and $79.99 for both suites.
Neolithic Office has Word Processing, Spreadsheet, Presentation, Formula, Drawing and Database Functions, making it a suite in tribute to Appleworks. iWork has Word Processing/Layout, Presentation and Spreadsheet functions. Both are valuable and will save money.
If you absolutely need Microsoft Office:Mac, it's actually more fun on the Mac side than in Windows. Just add an entry to an Excel Sheet and watch the column jump up at you. You won't see that in Windows Versions.
Just a tip to Mac Users!
The Pez Report-Mac Software Edition