nothing is wrong with acer. just some immature peoples think that branding is part of the quality build, which is irrelevant in quality control. they dont even think that buying electronic items are not 100% guaranteed working perfectly. for more details, you may read sifu [PF]T.J. blog about notebook brandings. for your options :

ASUS
A55VD-SX825/826/837/933, i3-3120M + Nvidia GT610M@RM1699[2.52kg], 2GB, 500GB, W8; colors: black/red/white/blue

Acer
V5-471PG-53334G50, i5-3337U + Nvidia GT710M@RM1899, 4GB, 500GB, W8

Dell
Vostro 5460, i5-3230M +Nvidia GT630M@RM1899[1.54kg], 4GB, 500GB(5400rpm), Ubuntu 12.04, 3 cell; W8SL@RM2099
Inspiron 14-3421, i5-3337U + Nvidia GT625M@RM1699[1.99kg], W8SL, 4GB, 500GB(5400rpm), 6-cell
Inspiron 15, i5-3337U + AMD HD7670M@RM1799[2.25kg], 4GB, 500GB(5400rpm), 6-cell, Linux; W8SL@RM1949
Inspiron 15R, i3-4010U + Intel HD4400@RM1599 [2.32kg], 4GB, 500GB(5400rpm), W8 , 6 cell

Lenovo
Z400, i5-3230M + Nvidia GT740M@RM2099, 4GB, 1TB, W8; 2 years warranty; colors: chocolate
G400s, i5-3230M + Nvidia GT720M@RM1799, 4GB, 500GB, W8
G400s, i5-3230M + Nvidia GT720M@RM1899, 4GB, 1TB, W8
Ideapad G580, i5-3210M + Nvidia GT630M@RM1699, 2GB, 500GB, freeDOS, 1 yr warranty

prices are RSP and negotiable. but may i know further details about your usage/course you are studying?