On the Tivo Community Forum, which uses the same forum software, offers this link when you get an email that this forum doesn't:

NOTICE: If you are a MOBILE USER on a PDA or cell phone, you can access the thread more quickly here:

I'm guessing that this is simply an oversight or at least an option not enabled. It would really help if the Admins on here would consider enabling this, especially since this is a site about mobile users on a PDA or cell phone.