Ability to use themes avalible on the market.
Very useful lockscreen shortcuts.
Nice polished look to the app.
Easy to use/Friendly UI.
Can but may not slow down ...
We have all had good and bad experiences with the new market google has given to us, as my LG optimus 2x is very fast with it but my Samsung Galaxy tab it is way to slow for me to deal ...
The level of customisation
The user friendly UI
The overall polish of the app and widget
The amount of toggles avlible to you
You can save widgets you have made