I got my Zenbook at the end of August also from Memory Express
mine was
Asus Zenbook Prime UX31A-DH71T-CA ZENBOOK Touch
Core i7-3517U,
4GB DDR3,
256GB SSD,
13.3in FHD Touch,
Win 8 64-bit
For 999.99 （was listed for 1099.00, but since they shipped me one with a cracked screen, and almost 3 weeks wait time due to out of stock/school starting/going back to the richmond location 5 times and endless annoying Asian haggeling, the manager gave me $100 store credit + 2 yrs replacement warranty) So basically got it for 999.99 + tax
Some thoughts after 3 month, it definitely has the "cool" factor. Everywhere I go, I get stares or my friends commenting how thin the laptop is... or how "baller" it looks, if that is your thing....
The battery life is fine, I get 6 hours+ out of it daily. That is with about 30% brightness, no back lit keyboard, blue tooth mouse and 3.5mm headphones. I youtube, revscene, light room, photoshop, illustrator. That is basically it, well, if I am not on youtube my music is playing to give a pretty good idea. I never bring the charger out with me anymore. 6 hours is plenty.
I never ran games on it, the lack of a dedicated graphics card concerns me, lol and plus I have a desktop for that. I never tried so cant comment.
Even though I have always been a Asus fanboy-ish when it came to laptops, I have to say I am impressed with this one not having the all to common asus laptop overheating issue.
All in all, when I was shopping for a laptop, I needed the portability and decent battery life. The stuff i do is not super intensive, mostly just 13 megapixle pictures from my DSLR into light room or photoshop. And the zenbook does everything I needed it to do.
I am pretty impressed with it. Let me know if you have any other questions that I haven't answered.