I have done some consulting for Performancing and Nick asked me to Beta test the 1st version of Performancing for Firefox but I didn't have a chance to at the time. I did finally download the 1st version but it did not do exactly what I needed. The main thing it was missing for me was the ability to post to drafts on my WordPress Blog. Well the new upgrade launched today with Draft support as well as enhanced Technorati and Delicious support. I plan to test drive the new version as soon as I can. http://performancing.com/node/945 Hope this helps make your blogging easier!
I like it as well but wish I could post to pages, or create pages from it, other than that it has made my life much easier.