SPE doesn't yet integrate with CVS, but it's in active development. CVS support may come sooner than later. I have been demoing Komodo which integrates with CVS, SVN and perforce. I've been very impressed. http://aspn.activestate.com/ASPN/docs/Komodo/3.1/komodo-doc-scc.html On my pc I just use the tortoiseSVN windows explorer plugin - http://tortoisesvn.tigris.org/