Both TV standards have plus and minus points but work well when the material being viewed is in that country's native format. However, an NTSC disc viewed on a PAL set has to have its resolution up-converted (480 lines to 576) and its frame rate reduced (30 to 25 lines). If "Roundhouse" is in a wide-screen aspect ratio then this shouldn't be a noticeable issue which is probably why Monument looked awful in comparison with the original video as it was a 4:3 conversion (albeit in faux wide-screen).