You must have an older set of topos, because I have Topo U.S. 2008, which is in DVD format, and I was given the option to download the progam with all the maps right to my hard drive. After completing the initial installation, I've never needed to use the disc again to download maps to my GPSr.
Yes you folks are correct. It's an older version.
And thank you for your assisstance.
Ed Fernley