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What do you think of this?

http://www.notebookreview.com/default.asp?newsID=4415

It's just a start, but maybe it could develop into something that would allow us to start playing games at high frame rates or whatever else you might need it for.

Yeah currently you can't even use those things with MacBooks, because we're on an Intel integrated GPU.

http://www.tomshardware.com/reviews/vidock-expresscard-graphics,1933.html

That one currently trumps the other ones in performance. I don't think it's ever going to be worth it for the price, honestly. The Mac one's are already more expensive for the sake of being expensive. The reasonable choice is to just buy a laptop with a better GPU in it already.

Personally, I'd rather save that 500$ towards a better laptop. But I guess it's still good for people that need more than two displays.
 
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