[arjay]

Mighty slow download, even with a cable modem. I am looking at 10 hours.

[Stoat]

"Mighty slow download, even with a cable modem. I am looking at 10 hours."

Have you tried using a download manager such as FlashGet

http://www.amazesoft.com/

or GetRight?

www.getright.com

It might help. Also, you may wish to bookmark the site and try to download in a couple of days. NASA just added mirrors and so there's a lot of renewed interest in the program.

"September 24: New mirrors to host World Wind have been posted. Due to the traffic load, some features of World Wind may appear sluggish. We are currently working to compensate for the increased demand. "