I tried out Subversion after finding a link on http://del.icio.us/.
I've only used SourceSafe for real before, so this was a refreshing experience. Not that I've done anything fancy yet, but the Explorer integration in TortoiseSVN is real nice.
Well... except for one thing. Along with the right-click menu they put stuff in the "File" menu, so now my shortcut reflex Alt-F, Return, Return for creating a new directory is screwed up.
Ok, one other thing as well. Subversion creates
I think I favour the idea of not checking out files (and locking them), instead focusing on merging changes when checking in/comitting.
The diff tool in TortoiseSVN is decent, but nowhere near as competent as Araxis Merge.