I would suggest ASUS over Acer any time. I haven't owned Asus laptop but I know that it has very good customer service, quality and specifications. I've used Acer and it turned into junk few months after warranty period. My suggestion is don't be too tempted by their price.
Microsoft Lumia 950 vs Lumia 950 XL: What's the difference between Lumia 950 & 950 XL?