I absolutely loved this handwriting recognition app with my old Sony Clie.
I noticed it's still alive and well, but like many excellent apps (coughPicselViewercough) it's OEM only.
http://www.zicorp.com/DecumaAlphabetic.htm
It used to be available once upon a time (circa 2003) for Pocket PC's. Is it still around somewhere? Would love to have it for my Windows Mobile 6 PPC's that is if it will work.
-Ed