If you are looking online, www.Amazon.com has a large variety of monitors. It's not uncommon to see 24" monitors and up, so a 19" should be affordable and reasonably priced. If you are looking to buy from a brick-and-mortar store, Best Buy has at least one 19" for $110.
19 inches is the largest size car monitor that you can buy.
A standard 19" monitor is 1280x1024, a widescreen 19" monitor is 1440x900.This will depend on monitor brand and video card capabilities.
The PYLE PLGN19 19-Inch Gooseneck Monitor Mount will work with any monitor that has a 1/4 inch slide bracket. This would work perfectly for a 19 inch Acer monitor.
If you have two 19" LCD monitors buy dual mount monitor back, this will will give your display setup a professional look.
Buy a new monitor
There are many places where one can buy a new monitor speaker. One can buy a new monitor speaker from popular on the web sources such as Best Buy, Amazon, and Target.
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Depending on the quality and the brand, 19 inch monitors can be found for as low as $80. The average price for a good 19 inch monitor is $150 to $200.
One can find more information about the group monitor 19 at Wikipedia's website. They give a lot of information on the group monitor including important dates linked to it.
One can get a dual monitor wallpaper from various homing stores such as Best Buy. You can also buy a dual monitor wallpapers from online websites that sell them.
The HP W1907 comes only as a 19" monitor.