The way I look at it is: An in-house same-domain solution's the slickest and fastest.... but you lose out on any network-effect recommendations. That said, fac

The way I look at it is: An in-house same-domain solution's the slickest and fastest.... but you lose out on any network-effect recommendations. That said, facebook widgets are ridiculously expensive in terms of domain lookups and requests. But back to the topic of tweet buttons. Twitter's 3-request button beats the heck out of the Tweetmeme iframe+javascript franken-thing. I just looked on Tweetmeme's site ( http://tweetmeme.com/about/retweet_button http://tweetmeme.com/about/retweet_button ), and even they recommend using the twitter button: "We recommend using the Twitter Tweet Button. You can find more details about it on the Twitter goodies page."