When I relaunched my blog site I went with v2.3 but did most of the work several months before I launched. When I had time to launch v2.5 was out but I decided not to delay launching again and just went with v2.3 with plans to upgrade to v2.5 as soon as I had time (I’m working with 2.5 on a client probject and it is much nicer.)
Tonight I saw that Douglas Karr had a nice simple visual upgrade tutorial to WordPress 2.5 so I was going to see if I could do it tomorrow. No sooner did I find his post than up popped a notice on Twitter about WordPress 2.6 (how will we ever keep up?!? :-) Looks like I’ll be killing two birds with one stone, and hoping that the 2.6 upgrade will be as easy as Douglas made the 2.5 upgrade look.
Anyway, here’s a quick look at WordPress 2.6 from WordPress.org (note how it looks a lot like Mediawiki (Wikipedia) embedded into WordPress halfway through the vid):