Originally Posted by alexh
But the output resolution of the XBOX is likely to be 1280x720 (720p) or 720x480 (480p) depending on what HD mode you've got selected. So it is the HDBOXPro doing the scaling. Usually that introduces artefacts if the hardware isn't great (and usually they are not).
It does alright though. White text on a black background in particular is amazing, it's anti-aliased and looks like HD. The results are really good. I'd recommend it, certainly for xbox/ps2.