Newegg has Microsoft Office 2010 Home & Student (3 licenses) for $125 - $10 off with coupon code
24HRSALE824A [Exp 8/24] =
$115 with free shipping. Includes Word, Excel, PowerPoint, and OneNote 2010. It is licensed for installation on three PCs in the same household.
Microsoft also offers Microsoft Office Professional Academic for $100 for qualified students.