Originally Posted by Funkstar 
EDIT: Oh and technically a regular TV is 720i, but that isn't a real standard, just a way to express the 720x576 resolution of SD footage.
576i
and samsung make a few HD CRT TVs
in answer to the original question, a CRT monitor is capable of displaying HD movies at resolution - if there's no image constraint token at play, and if it can show widescreen properly