As a solo developer who works across several machines, I still use subversion to coordinate code. I have yet to see the advantage of using git in this situation.
As long as you're not still using CVS -- that would just be masochistic. :)
If it's working, stick with it. Most people use Git as a centralized RCS anyway. I like the decentralized features of Git (darcs, fossil, hg, whatever), but mainly for short-term problem solving -- on any project, eventually an official hub emerges.
