If you use Subclipse, switching to another repository in a local working copy can be pain in the ass, because Subclipse (and I think svn itself) only allows to change the path of the repository if it’s still in the same repository. I had to change the path from http://.. to https://.. and couldn’t do [...]

I didn’t know that it’s so simple to make directory aliases on Windows 2000+. There is an undocumented utility for it: linkd.exe (part of  Windows Server Resource Kit), which is roughly equivalent to ln -d in UNIX. So you can write:

LINKD Docs C:\Documents and Settings\Ilya\My Documents

And voila! You have now C:\Docs [...]