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Originally Posted by
SolipsismX 
The concept is based around machines like the Mini, MBA and 13" MBP that have integrated GPUs that aren't suitable for gaming or graphics intensive professional apps. Leveraging TB to have a GPU in that large display would allow for people to buy a cheaper Mac.
As I mentioned, very compelling for a MBA; personally I expect the 13" MBP to disappear soon - the only real benefit is the optical drive, and the new MBPs ditched them. Reduction of size & weight by elimination of the GPU & battery capacity needed when portable, coupled with the capacity to drive a big display properly when docked would be excellent.
For a Mini, it doesn't make sense to me - a reduction in cost of the computer is not enough to cover the GPU in the monitor; portability is not an issue.
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Besides length electromagnetic interference or snooping are other considerations.
Is there any evidence these are real considerations for using Thunderbolt? I have not heard any suggestion that TB is particularly susceptible to interference. Certainly, there are environments (i.e., high-energy laboratories) that could affect TB, but these would also affect almost every other part of the machine. As far as snooping goes, is there any evidence that it can be intercepted, any more than ethernet, USB, video cables, or the sound of typing on a keyboard? Plausible, sure, but not an issue for 99.999% of users. The few that are so paranoid are better off simply not using a computer, period.