I moved from the US to Colombia, SA, and I brought two motherboards, processors, graphic cards, 8 hard drives, and two heavy duty power supplies, plus all the cabling wrapped in bubble wrap. I left my cases in the us because of the weight and the size.
When I arrived I bought two towers and put them all back together.
Depends on where you go, sometimes it is hard to find good parts, but you can always find a case.
Also, customs agents in other countries tend to "lose" things in transit.
Actually, I live in America and work for ATT, everyone knows about Samsung and many Iphone users have jumped shipped for the note and the s3.
And looking around in a building where a 1000 people work, the majority have moved to android.
The finest eloquence is that which gets things done.