A couple of weeks ago I had coffee with Doctor Happy Mac . He may sound a bit like a cross between a Bond villain and a Macdonalds character, but Doctor H M (aka Andrew Stephens) is in fact the man to know in the Cirencester/Swindon area if you have problems with Apple products and want them fixed. Or just a bit of Appley advice. As it happens our conversation was not primarily about computers, but I thought Andrew's invitation to have coffee at the particular location we ended up in made an excellent allegory for my deliberations on whether to buy a Mac or a PC as my next desktop computer. 'Come and have a coffee at Made by Bob ,' he said, 'and you'll never fancy a Starbucks again.' Now there is no doubt that the Made by Bob coffee was nicer than the equivalent in Starbucks, and the place certainly had more interesting food (not that I tried any). But the thing is, Starbucks is within walking distance of my office and provides free wi-fi. Made by Bob is a 1...