I think Haltech means the monitors which have, in addition to a normal VGA input, an input with separate BNC sockets for RGB.<BR><BR>A number of the better Samsung monitors (eg 950p) have this option.
So, I had this old old monitor that I had been using for some time with it's regular HD15 cable. I gave it to the in-laws when they needed a "new" monitor and didn't think much of it. Now the HD15 ...