What are the main things that differentiate you from similar products like Geckoboard? Also it'd be pretty cool to get a list of all the widgets that you currently have.
* real time and continuous (even when the user is not connected) data retrieval.
* a very polished UI.
* mail reports and XLS and other formats exports in a near future.
IMO you may want to re-think emphasizing "a very polished UI", currently Geckoboard's UI is much more "polished"[1]. Instead, play up the tangible benefits over Geckoboard (realtime, data export).
To answer your question, our main assets are: