satria, LCD screens have an issue called "ghosting" where fast movement is blurred, hence the term.
I wouldn't buy anything that has a response time of less than 8ms.
Walk away from anything with less than an 8ms response time. If it's not listed in the spec sheet ask to see the box.
For further reading check here http://reviews.cnet.com/4520-3118_7-6358806-1.html