What better asus ux501 or ux303 or ux305?

[Anna_9]

I want to buy Asus zenbook but I can't choose between ux501 or ux303 ux305.
Can somebody help me choose??
Or can offer me something else?

 

[ajpaolello]

what are the specs of the models you are looking to purchase?

 

[velo3100]

What will you be doing with this laptop?