Xin tư vấn chọn laptop?

Em đang băn khoăn giữa 3 lựa chọn:
MSI GP60 2PE-030 Leopard Pro 18,999,000 VNĐ
CPU 4rd generation Haswell Intel(R) Core(TM) i5-4200M (2.5 GHz, 3MB L3 Cache) w/Turbo Boost up to 3.1GHz
Memory 4 GB DDR3L 1600 MHz (dự định sẽ up lên 8GB cho tròn 20tr)
HDD 750 GB SATA 7200rpm
VGA NVIDIA GeForce GT 840M 2GB with Optimus technology/ Intel HD 4600
Display 15.6 inch Full HD (1920 x 1080) Led backlit display, Anti Glare
Driver DVD+/-R/RW
Other Webcam, SteelSeries Keyboard, Cooler Boost technology , Sound Blasster Cinema
Wireless Intel 3160 Wilkins Peak 1 (1x1 802.11 ac) + BT4.0
Battery 6-Cell Lithium-Ion
Weight 2.3kg
SoftWare Free Dos
DELL Inspiron 15 N5537 (N5537B) 18,699,000 VNĐ
CPU Haswell Intel(R) Quad Core(TM) i7-4500U (1.8 GHz, 4MB L3 Cache) w/Turbo Boost up to 3.0GHz
Memory 8GB DDR3 Bus 1600 Mhz
HDD 1TB ( 1000GB )
VGA Radeon HD 8850M 2GB + Intel HD 4000 series
Display 15.6" HD Slim (1366x768) LED backlight
Driver DVD±RW Double Layer
Other Webcam, Wireless, Lan, moderm, 4.1 Card Reader, USB 3.0
Wireless 802.11b/g/n; Lan 10/100/1000 Mbps
Battery 6 cells
Weight 2.4 kg
OS option
HP ENVY 15 19,999,000 VNĐ
CPU 4rd generation Haswell Intel(R) Quad Core(TM) i7-4700MQ (2.4 GHz, 6MB L3 Cache) w/Turbo Boost up to 3.4GHz
Memory 8GB DDR3 1600Mhz System Memory
HDD 1TB 5400rpm Hard Drive with HP ProtectSmart Hard Drive Protection
VGA 2GB Geforce 740M GT Graphics [HDMI, VGA]
Display 15.6-inch diagonal Full HD BrightView LED-backlit Display (1920x1080)
Other Webcam,Beats Audio™ 4 speakers and a dual drive subwoofer, Card reader, 4 SuperSpeed USB 3.0; 1 HDMI; 1 RJ45; 1 headphone-out/microphone-in combo
Wireless N card
Battery 6-Cell Lithium-Ion
Weight 2.15Kg

Xin mọi người tư vấn, đánh giá toàn diện một chút (ko chỉ về cấu hình)
Em xin cảm ơn!