TQ, exactly. usually a high def. TV will give you the option (like in the tv set-up menu) to either stretch it, leave it at VGA resolution, or do a 'best fit', which stretches it, but preserves the aspect ratio.
Type_A_Tiff - hum... I think we are in the middle of a transition between traditional CRT displays and new, promising tech. Buying an LCD or Plasma wouldn't be a bad decision, but, if you are willing to wait, then it is probably a good idea to do so. Just for your general knowledge, here is a comparison between currently available display types:
*the link is from extremetech.com