This is rather off beam for an nVidia forum, but you can get a reasonable download speed by ftp from the following UK mirror:
It will take you at least 80 hours (!) for the 5 ISO images, so depending on what you pay for internet connection time, it may be a lot cheaper to order the CDs. Try the "Pink Tie" set from http://www.cheapbytes.com
- currently being prepared - it will cost about $15 and takes 5 days to reach the UK via Airmail.