Twitter's new official Tweet Button : who's tested it?

Question

I'm working on a website where a 'Tweet This' type button is essential (as is a facebook 'like').

About a week ago Twitter launched their own official Tweet button. I'm curious to hear anyone's experiences with using it, particularly in comparison to TweetMeme and John Resig's ReTweet script.

I'm interested in any performance issues, any general tips or things not to do when implementing a Tweet button.

Answer 1

For my site, the official button shows different value from TweetMeme

Answer 2

I would prefer the official Tweet button, since Twitter has control over it and updates would be automatic.