Need help deciding on a new laptop

[Masis]

I'm basically form between these three laptops and would like some opinions on which is the best option

1) http://www.amazon.com/Asus-X550LN-DB71-ASUS-15-6-Inch-Laptop/dp/B00JI9OHXU/ref=dp_ob_title_ce

2) http://www.amazon.com/gp/product/B00HJSDU3U/ref=s9_psimh_gw_p147_d0_i1?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-2&pf_rd_r=14CHPAXA9KE21MA9PW77&pf_rd_t=101&pf_rd_p=1688200382&pf_rd_i=507846

3) http://www.amazon.com/Vivobook-V551LB-DB71T-15-6-Inch-Touchscreen-Laptop/dp/B00COQGJSK/ref=pd_ybh_4

 

[JuniorPCBuilder]

X550LN-DB71 Is the best in my opinion, As it has a standalone GPU.