Are you still working with sms Page ?
can you let us have settings to it ? (font size , png for background)
a link to sms inbox in it , Reply directly , delete , settings to choose the link for sms inbox
link to contatcts , sms to contacts
edit : ideas
about appointments : can you display the 20 next appts , making a settings for : how much to display and a scroll inside the appt page)
same about tasks
if you need some link to wm std appli : I can give you for New SMS, Reply to Contacts , application to have the 20 next appt and write to registry)
Is it possible to have a registry widget ? (to display a reg value and optional : launch a program)