The Ultimate Steal - Office Ultimate 2007 for $60
If you're a student or know one, do you that students can get a heavily discounted copy of Office Ultimate 2007? In the US, the price is $59.95 US and in Canada it's $64 CDN. The offer is available in about a dozen countries around the world.
Vista Ultimate is also available for $64.95 US / $70 CDN.
http://www.microsoft.com/student/discounts/theultimatesteal-us/default.aspx