hClipboard saves your copied text, and it saves 10 'sets' of copied text, so I can have certain signatures copied, or login names (I know about auto-fill) or URL's... its really pretty great.
youtube video
http://www.youtube.com/watch?v=EcPQqVgL12s
approx 3:30 into video you get the idea...
should be what apple gave us...