DUN or Modem with Touch

[Dinomon1]

I have been reading many posts regarding DUN/Modem with my new Touch phone. I used to use my previous phone (Treo 700wx) as modem, and sprint never charged me. I am trying get to do the same with my HTC Touch. Is it possible? I try to go here: http://forum.ppcgeeks.com/showthread.php?t=30265 you do not have permission to access this page. This could be due to one of several reasons:

Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else's post, access administrative features or some other privileged system?

Any help is greatly appreciated. Thanks!!