You could learn alot from this thread. Sorry I can't help other than this link. I know squat about monitors. I always get the cheapest one on sale that 'looks' good. One I have now is a 19" that cost $179 and it works and looks great for 8-9 months now. Good luck.
http://hitechcreations.com/forums/showthread.php?s=&threadid=70301