Well, keep pushing (pun intended *lol*). That would be cool!
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Thoughts:
SVN is nice but since I've tried Bazaar, I think I really do like the Distributed flavor better; I have the option to use either Distributed or Centralized.
I set up a project on my USB stick and "branch" the project on to my computer. I work, commit, etc. and when I need to I just "push" to the USB and everything is all good.
Have you tried any of the Distributed flavors (Mercurial, Git, Bazaar)? I know at least Mercurial and Bazaar have a "Tortoise like" version.