When you need to purchase a laptop for you, must be check this list below:
1) Brand (firstly brand is a factor for further support time)2) Current Model and Supplier. is it near from your house/working place.
3) Upgradable with Availability of spare.
4) Bundle Software and Operating System with Recovery Disk.
5) Money Back guaranty.(If Possible)
6) Price.
7) Packed and Unregistered New Product.