I've always doubted Albert Einstein's brilliance… I mean, e=mc²… wtf? I don't even know what that means.
But I saw a quote from him today that totally rang my bells…
"Make things as simple as possible, but not simpler."
That absolutely explains why Apple stuff works well. Jobsy doesn't put in any more functionality than a device needs, and he doesn't put any less in either.
It also perfectly explains why those dolts who crap on about Macs being for John West computer rejects don't get it. It's not that the Mac operating system is oversimplified — it's that it is precisely simplified enough to not have many of the gordian knots that Windows gets itself into, like the Vista control panel. OMG, what a mess.
Instead, I got a DC08 Turbine Wrap which compacts down to a small size for storage (just what we needed, since there's only about two cubic feet of unused storage space in this house, and only because I threw out our old vacuum cleaner.)
The bagless system is pretty ingenious. It spins air round in the plastic cannister (so all the dust / beetles / bits of dried up onion etc) all whiz round and round in front of your eyes. Somehow (the Dyson website 
