[citation][nom]Vladislaus[/nom]I did said the equal spec MacBook Air. You're comparing the price of the cheapest MacBook Air that comes with an 64GB SSD and 2GB of RAM against the ASUS that has 128GB SSD and 4GB of RAM. The price of the equivalent MacBook Air is $918.About the graphics. The Geekbench doesn't benchmark graphics. Also in the graph they don't state the CPUs in the laptops. But since the 11'' MacBook Air has a much higher score than the 13'' MacBook Air I will speculate that the 11'' model reviewed has the i7-2677M and the 13'' should have the i5-2557M. If the model reviewed of the UX21 had the i5-2467M (the same CPU that's in the unconfigured 11'' MacBook Air) then the performance is on par, and that is to be expected since they have the same CPU/GPU/Chipset,...About the battery:They're comparing the i7 11'' ZenBook against the i5 13'' MacBook, of course it will have less battery life.http

/www.notebookreview.com/defa [...] D=6289&p=4I do agree that the Air has a better touchpad, but you do get better sound and a screen with a higher brightness.[/citation]
This is a huge mountain of nonsense. First of all, you say that you said 'equal specs' - then you go on to effectively say that there is no equal specced UX21 compared to the low range Macbook Air, which is cheaper and just as fast. Which proves that the UX21 can't compete with that model. Which was my point. If it's more expensive with a different spec, it's not the same. Furthermore, it's again not an equal spec if it no backlit keyboard.
Regarding the battery life - you appear to be correct, the battery is about as good.
Regarding the touchpad - that isn't something to just be glossed over, it's a massive benefit having a touchpad which really works. Higher brightness screen is a very specific and irrelevant fact given that the overall screen is worse.
To quote Anandtech:
'Now if you don't care about OS X and just want a good, ultra-thin Windows machine the Zenbook is a viable alternative. If ASUS can fix the trackpad issues then it's worth considering, however the display in the MBA alone is reason to opt for it over the Zenbook, even for Windows use. If you're used to or don't mind typical PC notebook TN panels then the Zenbook will likely be an upgrade. It is far from the best though.'
http
/www.anandtech.com/show/4985/asus-zenbook-ux21-review/8
As for better sound - I'd like to see you prove that? You don't tend to use mobile laptops without headphones anyway, and if you do it's certainly not a professional setup where sound really matters.
Backlit keyboard, however, does matter, for people who want to use notebooks on the move.
So, in summary Anandtech agrees with me, the specifications AREN'T equal in any of the comparisons you made, there is NO equivalent UX21 as cheap as the budget Macbook Air - and there are massive trackpad and screen issues and no backlit keyboard, meaning that it's not a viable equal-specced alternatived.
Furthermore, it came out a significant period of time AFTER the Macbook Air did, so didn't even exist when most people bought their Macbook Airs (eg me). I hasten to add that even if it had been out, I would still have preferred the build quality, screen, trackpad, and illuminated keyboard of the Air. Which is why it's such good value for money.