What I did when I came over from the UK to the US, was I bought one of those hard suit cases, pulled the hard drives and put those in my carry on, and then just packed the rest in the case, clothes helped with padding etc. Granted the security folks at Heathrow had a good look, and this was before 9/11, so I don't know what would happen now.
Just a thought, now saying that, when I plan on going back to the UK, I have a lot more computer equipment, still not sure on whether I'll ship it or ditch it.