Works fine on my 8530 Curve in the Blackberry, Opera, or Bolt browsers.
Make sure in Options/Tools-->Advanced Options-->Browser Push-->Everything is on enabled, allowed or on auto. Also in the Browser itself Options, make sure everything is enabled in Configuration and General Properties.
They are handy when your waiting in line or have to kill some time and you can check out this site (or any).
I have been having problems accessing A/N from my ipad.
I some cases I don't see the 'reply' button, and I can never see the 'Follow' button.
(Sorry SK - not helpful to you, but thought we might have some techies showing up here)