First, response times of 8ms or less are hard to distinguish with just your eyes, so I don't think you should insist on it being 2ms (especially since such an aggressive RTC is susceptible to inverse ghosting)
Second, contrast that high can only be achieved by an LCD when measuring dynamic contrast, which usually involves comparing an all-white screen with the backlight set to maximum to an all-black screen with the backlight set to minimum, so it's not a useful metric when buying a monitor. What you really want to look at is static contrast. 1000:1 is common, so 800:1 or less would probably look pathetic, but over about 1500:1 is dynamic contrast. LED backlights often give a blue tinge, so make sure you're okay with that before looking for one.
First, response times of 8ms or less are hard to distinguish with just your eyes, so I don't think you should insist on it being 2ms (especially since such an aggressive RTC is susceptible to inverse ghosting)
Generally speaking, many TN panels that are pushed to 2ms response times don't suffer from inverse ghosting. But there are some that do.
1ms response time? Well... that's a different story...
Anywaste spy28, 2ms or 5ms response times for a TN panel monitor is more or less indistinguishable.