Widget development is still in the making as iOS 5 inches closer to release. One, called PowerCenter Pro, by Aaron Wright (@WrightsCS)
, includes all the components anyone would need to manage their iDevice quickly from the Notification Center. Not only is management a key component of this application, but the ability to view different types of important information directly from the Notification Center comes in handy quite often.
Similar to SBSettings and UISettings
(UISettings is no longer available - taken down by developer due to leaving the community