A FAQ is a great idea. That's why we wrote one. It's here.
That's in the FAQ Emporium and you'll find tons of answers to lots of your questions there. Also, did you see the sticky in this forum with links to different Mac resources?
As for the Mac specific questions, a few of them have been answered already. Search the Mac forum for some of the topics like on screen keyboard. Check out the "Show off your projects" forum for Mac installs. Search for Mac or Mini to see the projects that have been completed.