I agree, the are the same!
People look for something they like, buy it, install it and they expect the results to be close to what they thought they purchased.
And thats why we developed one click demo data installation. In our themes you can setup a website which looks exactly as in our demo version.
Good advice for all authors. It’s not that hard to write such functionality. Try it instead of simple xml files.
Did you also notice that preview images can be higher now? Take a look at some new themes
I use MediaTemple and i’m very happy with it.