Well I ripped the band-aid off and did the upgrade. It feels like 2.5.5 or something, not as big a deal as 2.3 to 2.5 was. I keep almost all of my files in wp-content so upgrading was not difficult.  I shut down my web server, renamed the old directory for the blog root, and [...]

Going to look at it some more, but I may be upgrading this blog to WordPress 2.6 tonight.  The SVN update I just did say wp-includes/version.php is 2.6.