Thank you, Lisa! I already looked at these Samsung, Sony, Acer and HP models. Didn't know about new Asus, just read and watched your reviews. Excellent reviews, by the way, love them! Asus looks good, except for just too things: don't really care for that glass lid but it's not a big deal; more important is the screen size. I'd like to find something bigger than standard ultrabook 13" screen, for example 15" would be nice. Therefore, I went for X1 Carbon, although it has only 14" screen. And I'd like a high end model with at least 8 GB RAM, 256SSD plus preferably discrete graphics for playing some high demand games like Battlefield 4 and Call of Duty. Therefore, I'm eagerly looking forward to your review of the new Dell XPS 15. And I'm aware of scaling problems with Windows apps and UHD displays. I may forgo UHD resolution if I find really nice, sharp and bright 15" display. That Asus Zenbook screen in your video looked great but, alas, it's only 13 inches. And, oh yeah, I forgot touchscreen. I want touchscreen.