I few days ago I wrote an article regarding a custom layout keyboard based on FingerTouch Pro from Teksoft.
FingerTouch Pro is a Pocket PC sip that has 5 different layouts, fT9 integrated technology, Gestures, Skins,
Customizable height and keys, multilanguage support for English, French, German, etc.,
advanced predictable functions for all these languages, so it's pretty solid.
This article presents a powerful method for changing your keyboard in almost every aspect of it.
If you need a new key in your keyboard like the £(pound sign) or you would like to make your own keyboard
with different number of buttons have a look here:
Let me know your opinion on this.