Can you carry around a laptop and be doing something on that at the same time you are updating a computer?
Intelligent people are most happy when they are advancing in their careers and learning new things.
What do you like to do for fun? What would you like to learn about?
As for myself...
Modern computers are boring as they are so tightly controlled as to what you can and can't do. However there are "microcontrollers" which you can wire up to LEDs and write programs to make the LEDs flash on/off. Or play sounds, control motors, make a robot, etc. And then go all the way up to making an Android smart phone control the microcontroller via Bluetooth.
That sort of thing is tons of fun to me as you have access to the "guts" of the electronics via your programming. The 1's and 0's!
Anyway the reason I mention that is just one microcontroller can have a 400 page data sheet which explains how it operates. And you can spend years reading about this stuff! That could also be a future career change.
If you are interested in that sort of thing, starting and easiest is a Parallax "Basic Stamp" sold at Radio Shack or here...
Parallax Home (Note you can download all sorts of documentation to read in your spare time.)
The forum where they discuss anything and everything about the above is here...
Parallax Forums
Next higher up in difficulty is the Parallax "Propeller" microcontroller. Same sites as above.
Then beyond that are Microchip microcontrollers. They are the "king" of endless 400 page documents all about the hundreds of various microcontrollers they manufacture.
Microchip main site...
Microchip Technology Inc
Microchip forums (these guys are professional programmers, so read the documents before asking questions!)
Microchip
Microchip Sales (You could probably spend a year just going through their various web sites!)
Welcome to microchipDIRECT