Which Blog Layout Do You Prefer: Single Column or Two Column with Sidebar?

When it comes to blog layouts, which do you prefer single column or two columns with a sidebar?

Personally, I go back and forth as to which I prefer, but I'm interested to hear what other people think.

Cast your vote with the Wedgie below or comment in the Disqus thread if you feel like your response needs further explanation!

Depending on the results, I may swap back to a single column layout or further tweak my two column layout.