You heard right about Asus Malaysia
Dell Malaysia has good warranty service, but you need to pay to extend to longer period (standard only 1 year).
Acer Malaysia is getting better now (hearing less complaint )
Lenovo Malaysia also offer onsite service like Dell, but you need to pay to upgrade.
Don't feel sorry. All of us want to maximise the value for our money spend

Moving up resolution has big impact on gaming performance due to increase in pixels count. So if you go FHD, be prepared to compromise on details setting, considering your budget constraint.

13"
www.illegear.com
Illegear RE-13 Pro, i7-4700MQ + Nvidia GTX765M + (1920x1080; IPS)@RM4199[2kg][Onkyo], 4GB, 500GB, FreeDOS [CPU Options: i7-4700MQ - i7-4900MQ]
(out of your budget)

14"
Dell
Alienware 14, i7-4700MQ + Nvidia GTX765M + (1920x1080; anti-glare) + 64GB mSATA + 750GB(7200rpm)@RM4999[2.77kg], 8GB, W8SL
(out of your budget)

15"
Acer
V7-582PG-74508G52k, i7-4500U + Nvidia GT750M + 24GB mSATA + 500GB HDD + (1920x1080 IPS; touch)@RM3399, 8GB, W8

Asus
N550JV-CN077H, i7-4702MQ + Nvidia GT750M + (1920x1080; IPS matte) + Bluray@RM3699[2.7kg], 4GB, 1TB, W8, backlit keyboard

Dell
Inspiron 15R (Special Edition), i7-3612QM + AMD HD7730M + (1920x1080; anti-glare) + 32GB SSD + 1TB HDD(5400rpm)@RM3199, 8GB, backlit keyboard optional, W8

Lenovo
Y500, i7-3630QM + Nvidia GT750M(GDDR5) + (1920x1080)@RM2999, 8GB, 1TB, W8, red backlit, swappable ODD, 120w psu, 2 yrs
Y500, i7-3630QM + Nvidia GT750M(GDDR5) + (1920x1080)@RM3899, 8GB, 1TB, W8, red backlit, swappable GN37 exGPU & ODD, 120w+170w psu, 2 yrs

MSI
GE60K, i5-3230M + Nvidia GTX660M + (1920x1080; anti-glare)@RM2899, 4GB, 750GB(7200rpm), W8, 2 years warranty
GE60-2OC, i7-4700MQ + Nvidia GT750M(GDDR5) + (1920x1080; anti-glare)@RM3599,8GB, 750GB(7200rpm), W8, steel series KB
GE60-ONC, i5-3230M + Nvidia GTX675M + (1920x1080; anti-glare)@RM3299, 4GB, 750GB(7200rpm), W8

www.illegear.com
Illegear RE-15, i7-4700MQ + Nvidia GTX765M + (1920x1080;matte)@RM3599[Onkyo], 4GB, 500GB(5400rpm), FreeDOS [CPU Options: i7-4700MQ - i7-4900MQ][/color]

Prices are RSP, negotiable.