There is a way to do this. I know this is an old thread, but I was looking for the same thing and I found it!!
From here:
http://forum.xda-developers.com/showthread.php?t=426281
Install the attached cab, or just edit the following in your registry:
HKLM\SOFTWARE\Tegic\eT9\IME
under CarrierDefaultTextMode, change the value to 1, and under DefaultInputModule, change that value to 1 also. This cab just does it for you. Hope this helps someone
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Hopefully the next person who finds this thread!
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