Here is a link for you. Thay look like they would do the trick.
Note: Theses are for kids and adults.
They are based in NZ
http://www.staydry.co.nz/22swimmers.htm
I did have Vista running on my main PC but changed back to Xp.
XP on my laptop
Server 2003 for my update server and soon I will create a domain.
XP for my media server.
And will have a mail server up and running sometime.
If I get a chance I will try and have a web server up and running as well. (A bit to learn)