If you want light, cheap and good customer support, look at the Averatecs. 1" thick, 4 lbs.
We have 2, both run 12-14 hours a day and in 2 years only one slight problem with one (HSF) fixed in warranty free.
They answer their phones and help in 30 seconds.
Newegg has a few. Read the reviews on the cheapest one. $789 with free shipping and no tax someplaces.
Just another option for you.