Thanks for letting me know about Kiva. I hadn't realised this existed, but it looks like a great idea. I put $1000 into this straight after reading this post. The way I see it, with interest rates such as they are in the UK, the cost of this is very little to me.

From TFA: HECToR's memory is also impressive. It is 3,200 times larger than that of a top-of-the-range iPod 160GB

Hmm ... so a £113M computer has got 3,200 times the memory of a £230 iPod. Let's see how that stacks up:

For the iPod that's £1.44 / GB.

HECToR comes in at £220.70 / GB ...