hmmm, don't want to get too much into this debate but....

I know someone who is very technical and experienced, a bit of a computer whizz and no its not me

Well they swear by a mac, although they have top of the range.
Me, I can't use them as they do my head in. But they are also popular for design though aren't they?
I almost did a degree in computers a few years ago.i went for some taster sessions and they had a load of macs that the art department used.