My 2 year old K40ab is still running pretty well and over all i am very happy with the product.However, be warned that Asus products in India come with customer care hassles.This is because Asus doesn't directly handle customer service here. Many of my friends have had quite an unpleasant experience dealing with the Kolkata service centre , run by Rashi perpherals.
Of course this is just what i have heard and read online ( the internet is full of horror stories about rashi peripheral's service ) , your experience might be totally different.Lets hope it is