Help me please...

1. Preferred Brand - Any brand, as long has excellent, trusted, faster customer service

2. Budget - Max 4.5k

3. Usage -
work: mail, excel, words,
Game:play diablo3 with ultra setting and other game;bf4,dota2, etc with high setting.

Mode - always outstation and required light laptop for mobility.

4. Preferred laptop/screen size - 14-15 inch

5. Processor - i5/i7

Tq