Dear All,

We are beginning to reach the limits of computing technology. Had a look at the top range MacPro, which has 28 cores, problem is they're only 2.5 GHz each, fine for most things, but some software only works on a single thread, meaning one core only. I thought the Quad core 3.6 GHz iMac would be best for my purposes.

Problem is all these components so close together generate a lot of waste heat.

Military get round it with Gallium Arsenide, but I'm not sure this will be available to the public without considerable investment:

Here's another take:

So it maybe that the Gallium is available, but it will cost.

John