I made the upgrade to Movable Type 2.5 when it released in early October. (BTW, that is when "mt-search" was added, not with 2.5.1.) I continue to be amazed at the MT team's accomplishments.

I create and manage blogsites for a few clients. (It has been one hell of a learning experience. It has also made me rethink how I design webpages, and the integration of CSS.) Not long after the 2.5 upgrade, I built this for one of my clients:

http://www.pimpdifferent.com/cgi-bin/movabletype/mt-search.cgi

Rands, do you have any opinion on the following?