I don't know if this one fits all the requirements you are looking for, but it is definitely worth a notice.
Asus VE248H Black 24" 1920X1080 2ms Full HD HDMI LED Backlight LCD Monitor w/Speakers 250 cd/m2 10,000,000:1
It is priced at 220$. I personally have the 19" non-HD version, and I'm very...