Dear Sifus:

My Requirement

budget 3.5-4.5k
14-15" Display
lightweight and durable
downgradable to windows 7
8GB RAM and SSD (if upgrade is ok)
Decent/mid range graphics
good cooling
good battery life
good warranty and service (if have option to extend to 3 years better)
usage: not for gaming, more for business with some multimedia involved