www.myabandonware.com Is awesome site when you can download tons of great games.
My Abandonware was created in february 2009 as a revival of oldware.net. More than 2000 games have been added to the site. They want to created the best video games museum on the web and let everyone around the world enjoy the incredible amount of great software created in the 80s and 90s.
Until now, they have focused their work on the DOS era, with some very rare titles found in the deep web, and some sent by their awesome visitors. Other platforms are available now.