Here's a tip for your blog:
These windows mobile phones don't accept SMS WAP Pushes. What is an SMS Wap Push? It's what service providers send to your phone to give you a link to a ringtone/picture/java game you've asked for. For some reason no one complains about this, but for me it was quite important to find a solution.
To enable WAP Push messages on your WM phone do the following:
Using a registry editor go to HKLM\security\policies\policies and set the key 100D to value 4095.