This monitor is brilliant. As the other reviews say, it is extremely lightweight and the quality is superb. In addition it has lots of energy saving information on screen if you are in to that sort of thing.
Only 2 points I'd like to make which stop it getting 5 stars from me:
1) It is so lightweight it borders on not feeling stable. When you push the buttons such as power or menu the whole thing moves. The Dell monitor I had was a lot more sturdy than this but it weighed probably 3 times more than this LG
2) There is no height adjustment, so you get what you are given. I am relatively tall and the Dell I had could easily comsensate for that. If I need to raise the height on this it is time to get the Yellow pages out!
My last point which is not the product's fault is the screen size. It has 2 different figures on this page, but for the record it is 21.5 inches or 55cm.
In summary, buy with confidence because despite my 2 negative points this monitor is truly excellent quality for the price.