Before a company approves of a production model, there are several prototypes created for testing purposes, and here’s a rare glimpse at some of the Dell Adamo XPS models. To start, we have the touchscreen trackpad prototype above, “which was apparently rejected because Dell couldn’t justify the cost of the panel based how much people would actually use it.” Click here for first picture in gallery.

Another, possibly even more ambitious concept is one that would have completely replaced the traditional keyboard with a series of capacitive-touch buttons.

[via EngadgetPCworld]

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