Link here to MacRumors.com.
Unfortunately, the sixth on the list was "computer," not separated by Mac vs PC.
Let's see what CNBC has to say: it's all about Apple. Everything else is a "compelling product." Or "credible" as in the Nook. And "then you have Google and Microsoft." The "apps that matter." Barnes and Noble, again, "compelling." Pretty lukewarm for everything other than Apple. Buying a $199 tablet as a second device for his children (the first device, of course, being the iPad). Concluding statement: "at least MSFT has a product on the market now." Wow, that's a strong endorsement.