1. Preferred brand : Any of the famous ones, or brands with good after sales service
2. Budget : 3 - 4k, max 4.5k
3. Usage : Everything
4. Screen Size : 15 or below, full HD with IPS
5. CPU: i7 6700hq or better if budget allow, if not any 4 cores CPU, if not....then any i7
6. GPU: dedicated, 960m or better, if budget allow, if not 950m still acceptable, as long can play gta v smoothly on anything above low settings
7. RAM: 8gb or more
8. SSD a must, with additional HDD even better

Sorry I manyak criteria but well...best bang for duh buck yo!