[IggleSniggle]

I think that was kind of the OP point. "Pro" users are significantly more likely to be opt-out in this scenario, unless they are not Pro users but just want the Pro machine for conspicuous consumption, making a much more dramatic swing in the usage data that is collected.

[GenerocUsername]

The word Pro in the product name really doesn't separate consumers as well as you might think.

Every college kid has a Mac Book Pro, yet they are by definition not Pros