Hans Vandevelde (aka: Mr Kenanzo/Novio/Hans Védévé) just saved my day. I read a post on his blog about a tool that enables deletion of those, sometimes irritating, hidden .svn folders when you have checked out a project from a subversion repository. It’s a useful tool when you have svn troubles while: migrating projects, solving svn incompatibilities, … .
The link to the post: http://www.novio.be/blog/?p=153