It's 20 years on, and Windows still doesn't have...

[Duce]

Touch in the MS sense will not work on the desktop - as in the fingers on the screen method.

Touch, gestures wise - as Apple desktop products use, is something completely different and entirely workable, and I dare say even productive.

The deathblow of Windows 8 will be the fact it's just a mish mash of traditional and touch interfaces and neither of them are very pleasant or familiar to use.  Perhaps they will sort that out before it goes public/retail, but I'm not confident they will, or that they even see the flaws in the approach they are taking.

It's a very cumbersome OS to use, and while it might work well on the Windows 8 RT Surface Tablet, I fully expect Windows 8 to be the next Windows ME, lol - with Win 7 being the new Win XP, the OS people stay with for the next 10 years.

[Duce]

Windows still doesn't have stability

I've had Windows 7 machines running for years now without a single crash, only being reset to install security updates.

[Duce]

There's been 100 million iPad's alone sold since they came on the market, they are absolutely everywhere, lol.  That's not even counting the other makes and models, Android, Windows tablets, hell - even touchpads and playbooks, not to mention low cost ones like the Kindle Fire.

Most people realize they are consumption devices and not laptop replacements, and for that they do just fine.  Tacking on a keyboard and mouse to a tablet like an iPad is inelegant at best as the thing still is an "app machine" solely and not a real computer, so for the extra $200 a Mac Air is a better choice.

Not to say you CAN'T create content or do more productive things on a tablet.
GarageBand for iOS is great, but overall the iPad and similar things are not really comparable to a "real" pc, IMO.