First get signed up for the Swype Beta 3.0, then get the app "Extensive Notes." Use a stylus and you will be swyping notes quicker than a waitress taking orders in a greasy spoon. Added benefit you can create folders to categorize and all your notes are timestamped.
"Notes2SD Text Editor" is completely windows notepad like notepad. It is as simple as notepad but has many more features than notepad. As the name suggest it directly save notes as txt file in SD card to your selected location