hi, I'm a newbie here.
I want to buy a new laptop in this weekend at plaza low yat
budget: RM 4000 and below
screen: 15.6'
cpu: 4th generation i7 will be better
purpose: hardcore user, for gaming and after effect

I'm struggling between these laptops
i. GE60-2OC, i7-4700MQ + Nvidia GT750M(GDDR5) + (1920x1080; anti-glare)@RM3599,8GB, 750GB(7200rpm), W8, steel series KB
ii. GE60-2OE, i7-4700MQ + Nvidia GTX765M + (1920x1080; anti-glare)@RM4299,8GB, 750GB(7200rpm), W8, backlit keyboard
iii. Y510p, i7-4700MQ + Nvidia GT750M(GDDR5) + (1920x1080)@RM3399[2.7kg], 8GB, 1TB, W8, red backlit, swappable ODD, 120w psu, 2 yrs
iv. Y510p, i7-4700MQ + Nvidia GT750M(GDDR5) + (1920x1080)@RM3999[2.7kg], 8GB, 1TB, W8, red backlit, GN37 exGPU & ODD, 120w+170w psu, 2 yrs

could any pro please enlighten me which is better or is there any better choices?
and also, can recommend me that which shop can get the best price for your choice?

Thanks in advance!!