I found this a helpful way to conceptualize political positions:
Notes Towards a New Political Taxonomy
It boils down to:
liberal vs. conservative (attitudes toward the individual and authority)
left vs. right (attitudes toward social/economic winners and losers)
progressive vs. reactionary (attitude toward past and future)
It's worth a read, and does help clarify some points that are lost when building things down to a single axis political spectrum.
I'd be a liberal left progressive (shocking, I know) in that taxonomy. Might be fun to correlate those three axes to MBTI type. Also would be interesting to see how various movements would be classified.