Buy a ProtoArmor case.
Overclock your Pi to 1GHz.
Learn Python.
Write cool programs and stuff using aforementioned learned Python.
Play Minecraft. (Not the regular version, but the dumbed-down free RPi edition.)
Use Python to do cool stuff with RPi Minecraft.
Buy a Motorola Atrix Lapdock for $60.
Tape the RPi to the back of the Lapdock and connect it with some $5 cables.
Enjoy your portable RPi.
Buy a really loving good $30 WiFi card and tape it to the Lapdock.
Use omxplayer to stream YouTube.
Enjoy your portable YouTube, MC and Python machine.
Get your ham radio license.Buy a $30 handheld ham radio.
Use a USB soundcard and some adapter cables to interface said radio to your RPi.
Enjoy your new ability to access local radio-based text BBSes over ham radio.
Get Winlink running on RPi.
Send e-mail over ham radio using your RPi.
Use ham radio for other things.
Stick your RPi in a robot.
Buy a Pi Camera for $20 and strap the RPi into a high-altitude balloon.
Film balloon ascent.
Use newfound bragging rights for things.
Experiment with other miscellaneous stuff.
This is literally exactly what I did with mine.