>
>The same is true for accessing content from the master page that may be contained in a content page (eg. use FindControl on this.ContentPlaceHolder1, or whatever it's named). You can also just look at the Request.Path (or any of the other various Request paths) to determine which page you're on.

This was really way to easy!

In my Master Page Page_Load event handler

protected void Page_Load(object sender, EventArgs e)
{
     this.lnkSupportHome.Visible = true;
     this.lnkTrackerMain.Visible = true;
     this.lnkAdmin.Visible = false;

     if (Request.Path.Contains(@"/Tracker/Default.aspx"))
          this.lnkTrackerMain.Visible = false;

     if (Request.Path.Contains(@"/Support/Default.aspx"))
          this.lnkSupportHome.Visible = false;

     if (Session["IsAdmin"] != null)
     {
          if ((bool)Session["IsAdmin"] == true)
               this.lnkAdmin.Visible = true;
     }
}