I've been happy with Proview. However, there's a lot of variation within a particular brand. I recommend looking at monitors in-store and/or reading reviews then buying online (though Fry's price matches online if you have one local). I have a proview 22" LED and am happy.
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Gigabyte EX58-UD3R
Intel Core i7 940
OCZ DDR3 Platinum Low-Voltage Triple Channel
Sapphire Radeon 4850 crossfire (soon to be upgraded)
Thermaltake Black widow 850w
Antec 900 case