The all in ones have been around for some time, the mother in laws just scrapped her 5 year old "all in in" Sony Viao for a new shiny Viao laptop.
The touch screen technology is starting to mature and gets better.
Although Macs have a cult following and are renowned by creative types and script kiddies alike, I think the touchscreen was pioneered by PLATO.
PLATO (computer system) - Wikipedia, the free encyclopedia
Me, I couldn't give a toss about an Operating system, I just want something logical, familar and easy to use. Windows cornered the market, you can pick a PC up for tuppence hapenny, as long as it can get on this interweb doo da thingy, I'm happy.
I'll be even happier when we finally scrap the keyboard and start talking to PC's, (but in a non dodgy IBM Voice reconiton robot kind of way)
Computer, make it so...