I like my present monitor, it runs at 1280 by 1024 resolution which is ample really, it works well, has low emissions according to a sticker on it, so yeah i don't need to change it till it breaks!
If it ain't broke don't fix it. :)
lol....i kinda cheat a lil here.... since i work within computer shop theres;
17" - Wide and Standard,
19" - Wide and Standard,
22" - Wide,
32" HD TV Monitor, Wide with dual freeview and anologe built in
But at home i got my laptop with a 11.1" Monitor and a 32" HD TV Monitor wall mounted atteched to my main PC :D