It's done: my $HOME is now managed by Subversion !
This is the best way I found to sync my workstation and my laptop, and eventually other machine.
Subversion is very nice. It works like CVS, but it is easier to manage.

Thanks to Joey Hess for this good idea.

Only wimps use tape backup: real men just upload their important stuff on ftp, and let the rest of the world mirror it. -- Linus Torvalds