In case anyone needs Office '07 for back to school, MS is running a deal for students - get the Ultimate version for $60.
By far the cheapest I have seen it (baring piracy). Sorry PC only!
http://www.microsoft.com/student/discounts/theultimatesteal-us/default.aspx (http://www.microsoft.com/student/discounts/theultimatesteal-us/default.aspx)
-Jeff
Or...how about free software that doesn't have a &*$%(*&@!! interface :)
http://www.openoffice.org/