I came across this last night and it's making the rounds on various tech sites today.

http://reviews.cnet.com/8301-13746_7-57484949-48/transform-your-nexus-7-into-a-car-tech-powerhouse/

Google Nexus 7 in the Dash of Dodge Ram | Tablet Install

At the end of the video, it shows how very easy it is to remove the tablet from the dash. Nice implementation.

I like that setup - pretty cool indeed.