Planning to buy a laptop to replace my stolen 15" macbook.

1. Budget: Below 3k
2. Processor: i5 or i7
3. Graphic card: Yes. I play a lot of first person games. Can play battlefield with low/medium setting smoothly would be good.
4. RAM: 4GB at least. Can upgrade no problem
5. HD: SSD preferred
6. OS: Win 8.1
7. Screen: Max 14"
8. Weight: Not more than 1.6kg

Currently I have shortlisted the Dell Vostro 5470 I7. However questions I have

a. Is the trackpad as good as a mac? I tried dell demo unit, seem not as responsive.
b. Scrolling browser with 2 fingers and moving windows with 3 fingers ok? As smooth as mac?
c. The build quality of Vostro 5470. Good?

Thanks so much everyone