Heska
A clamped lerp (as in this thread) would work as well.
Edit: made an example of text falling into place
[attachment=0:qah01xhy][/attachment:qah01xhy]
You can adjust the speed (pixels per second) by changing the number 128 to something else, and adjust 240 to change where it ends up.
And I believe the behaviour LittleStain was referring to is: LiteTween