I don't know. It's not so much about devices as it is about software ecosystems. The longer you wait, the more new customers you miss out on, and the greater the inertia with existing platforms. How do you convince developers to develop for Meego, and how do you convince consumers to buy these products if there isn't a compelling software solution.
I'm not sure if Meego will still run native linux apps. Hopefully so, since it would give them a leg up if certain GNOME and KDE apps can be re-jigged for the tablet form.