mmm, not sure if this would apply to Monitors or not...
But, growing up working for my older brother doing Home Remodeling I learned many different things. One of the most important ones is really simple...
You can tell a lot about a craftsman by their tools, be it a barnyard mechanic, carpenter or any number of trades/professions.
Working on cars for example: You can purchase True Value wrenches and round them out ten times a year or you can purchase a Snap-On, MAC, and so forth and buy it once, twice if you use a cheater bar on it or use it as a hammer.
Construction: You can buy a Black and Decker drill for $30.00 five times in a year and throw them away as they burn up. Or you can buy a Milwaukee for $150.00 - $300.00 and only buy triggers, brushes and cords every 5 years for the rest of your life and your kids when they get them.
Computers are a bit tough to fit into this, but it plays along with a job is done with the correct tools, and thats where you have to fit it in. How is it a correct tool? Eye strain, quality of design, possibilities in the ease of use and such...
as KarmaGirl stated: good luck