Which ultrabook?
 

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Do the MBA support bootcamp?
If so, from memory the newer versions only support the 64bit versions of Windows.
Unless this is only the case with the Mac Book Pro's.

none of the above, sony Z series :D

I personally have a MacBook air 13" which I primarily boot windows 7 x64 (why would anyone use x86 anyway??) and to say I love it is an understatement. Fantastic piece of hardware. Batt life is awesome, and portability and quality is very impressive. I give it a very hard life.

I am about to buy the new Asus Zenbook

Asus UX31E-RY008X Intel Core i5-2557M 1.7Ghz, 13.3" HD LED, 256GB SSD, 4GB Ram, Intel® HD Graphics 3000 B&O Speakers, WLAN, BT, 1x USB3.0, 2x USB 2.0, 1x Micro HDMI, 1x Mini VGA, Leather Sleeve, Windows 7 Professional 64bit
$1500


[IMG]http://www.netvoom.com/wp-content/uploads/2011/10/ASUS-Zenbook-UX31E.jpg[/IMG]

We've got a MacBook Air 11". It's a great piece of kit.

Mate from work just got the Toshiba Z830 $1500, sick laptop. Booted into windows in 2 seconds. Was the i5 version.

Jez

[QUOTE=iMPREZUH;660806]It looks like MBA supports both 32 and 64 bit versions.[/QUOTE]

Bastards!
Wish they had 32bit support on the MBP's as some of my software at work doesn't run on 64bit systems :(

Wait a couple of months. The new Ivy bridge processors will be out. Better performance and supposedly much better battery life.

I am waiting on the next macbook pro's to be released :)

2days ago revived my dell
It's a big bigger than a "ultra book"
But it was only 799.
Dell inspron15
6gb i7 2617qm prossessor
2.6ghz with "turbo" to 3.1ghz lol
750gbhdd 15.6" HD Wled screen
1gb dedicated graphics (nivida)
Win 7, Bluray player/writer
Bright rEd (goes faster)
Battery lasts 6 and a half hours roughly (light usage)

my2c