People selling lappie are not focused on lappie, it's true their profit are low, and if add more free gift, it will be more even low. You want to know why they still want to sell it? They are selling to reach some certain target. They might get freebies, maybe u sell 100 u get 1 lappie or phone or something like that. Just my 2 cents since i work at Acer b4, so it's normally something like that

So far from what i seen, the only lappie for Acer ( Well most of them ) that causing problem is those lappie below RM3k, It is much advisable that you invest more money to buy lappie not only from Acer, but other brand too. Hopefully that help you. Btw, that Acer spec seem like WoW haha..

Acer 5920G Specification

Anyway, this one should be good enough, but if you can stand the heat from the hardware, and oh well the battery cell drainage, then go for it. But if any hardware defect appear, don't hunt me :s Acer do it xD