This website gives away one free software download everyday. Most of these softwares have a retail price ranging from $30 to $100. This is the kind of sight that you should check every day because the offers are there one day and gone the next. I've downloaded a lot of great software from there like Tune Up Utilities 2009 which retails for $49.95. It's done wonders for my computer maintenance.
Have Fun & Save Money Guys!