There are a lot of how-to's online for setting up a Raspberry Pi without monitor or keyboard, but none of them are simple or straightforward. This will be.
Embedded systems for hobbyists is a lot larger than the world of Arduino. New and interesting projects will open up to you once you explore other platforms.
The multi-monitor, high-resolution graphics revolution didn't bring graphics, just windows full of text. Command lines are still great working with text.
An evaluation of restaurants and coffee shops, including Biggby, Tim Hortons, Panera Bread, Barnes N' Noble, Starbucks, and more as places of productivity.