Anyone using Geckoboard for dashboard reporting?

We actually use it for some internal dashboards at Litmus and generally love it. We don't pipe in our email metrics or anything (yet) but I could see it being useful for getting a high-level overview of how your campaigns are performing. It could require some time to set up dependent on what you are using to report (ESP, Email Analytics, Google Analytics, etc.), but could be worth it if you want some centralized location to pop open and get a feeling for how things are going.