My budget is around $500. I care less about ACD now since I will be buying a 30" ACD in the future. I'm looking for a 24-inch with 1920x1200 resolution. Other things to consider is good contrast ratio and a good response time since I will be editing videos. I have never owned an LCD monitor before so anyone can give me advice on what to buy? I have looked around the stores and I don't know where to begin. Thanks.