Opinions on an Ultrabook to use for network administration and travel

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I posted this in 'networks and internet connectivity' but I may have been directing my question to the wrong place.

Basically, I'm currently a System Administrator (windows), and slowly I'm trying to move myself/my career towards network administration and hopefully onto network security, pentesting, digital forensics etc..

After doing to some research it appears a lot of infosec and network security professionals use macbooks as their main pc/laptop for their job.
Native access to a terminal being one of the big reasons (also being beneficial when connecting to a switches console etc), and that they apparently run linux and windows vm's very well.

So this got me thinking, maybe they have a point and as I'm currently looking for a small portable laptop/ultrabook for both traveling and to use to help my test and give me personal experience to help me progress my knowledge/career I should consider the Macbook Air (11" for portability).

I had been looking at the Lenovo Yoga 11S, and it's design appealed greatly to me, but it really needs a haswell refresh and a better Wireless network adaptor (owners reporting issues with the wireless being unreliable, affects the yoga 13 too).

Now I'm very much a windows user and have very little exposure to using Mac OS X in anger, but I am open to the suggestion. I'm just not sure how much of a gamble the OS change would be.

Whatever I get will need to be able to handle running atleast 1 VM with ease for testing (versions of linux (backtrack, kali, Deft), versions of windows etc.)
It needs to have a good reliable wireless network adaptor in it. So that I can reliably test diagnosing a network with wireshark capturing packets etc.

I will need to get a USB to Serial adaptor to allow me to connect into the console port of a switch or router, so the fact I would need a USB ethernet adaptor to physically plug into a network as almost all ultrabooks have done away with the ethernet port isn't an issue.

Anyhow, does anyone here use a MacBook Air for what I've described above and if so what have been your experiences in doing so?
 
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To be honest any modern laptop will do the job.

There's tools for network administration on the various OS platforms (Linux\OSX\Windows). Pick a laptop you like the look of and has good reviews.

Depending how advanced you are at network security you may want something with a decent CPU\GPU. If you are using particular hacking tools..

Job Done!
 
Yeah, that's what I'm thinking.

After Lenovo's recent news about their product updates for haswell the Thinkpad X240 seems like it would make a great ultrabook. 12.5" screen is still small enough for travel purposes.
 
Hmm... Hadn't thought about CUDA support for offloading certain tasks when I get as far as learning pentesting etc.
 
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