A iOS 5 still has a couple of months to be available, you can only try it if you're a registered developer , while still appearing widgets notification center, there is something for everyone.
QuickCOMP used to write quickly, add 5 icons: Email, SMS, Twitter, Notes & Reminders, and press each of them go directly to "fix" or write, that is, if you hit a window email of new email or if you press notes list open a new note to write. An aid to those who always need to skip a step or two to gain speed.
You can download it very soon in Cydia.
You need to have done the jailbreak.