Get your windows client here (Score 4)

All of the Mirrors that they list are FTP based - But the UNIX Version downloads are http based... So, I did a quick peek in the UNIX directory, and tada - the Windows client...

http://setiathome.ssl.berkeley.edu/software/seti athome_win_1_0.exe

BTW - I also noticed that they finally came out with a Solaris x86 client :)