You probably know about such cool stuff as Dropbox. So, I use it as on-line SVN repository for my own projects. It gives me an opportunity to have my own repository everywhere.
Check this post before go ahead: How to use Subversion & Dropbox to create an effective work management/backup system
So, 1) you have to create SVN repository in some Dropbox folder; 2) do the checkout from this folder on every work machine where you need to do something with your SVN repository. That's it.