Well they suck at almost everything that is not related to entertainment in my opinion and this article sums it up pretty nice:

The myth of width: When wide screens don't work

It's pretty scary that almost all the new laptops as well as new monitors come with a wide screen display nowadays. I see them everywhere in IT offices on employees desktops and let met tell you one thing: It sucks to do programming on such evil displays! In fact it sucks to do almost anything interesting and serious on such displays. How the heck am I going to write some serious piece of C code on such a thing:

dell-s2409w-full-hd-widescreen-monitor

It's evil! :mad: