I've always thought that Meego would be a much better 3rd platform than WP7. Meego is a much better competitor to Android than WP7 is. Meego can go in the same places Android can go because of its opensource and free nature. It can be on everything and built by "anyone" just like Android. WP7 on the other hand can only be used on mobile phones, and even then only by manufacturers that either want to pay the license f…
There's no reason to get a Meego device over an Android device. But plenty of reason to get Android over Meego, at least today.
Whereas with Windows Phone, it is fundamentally different than Android. There's a lot of reason to pick WP over Android (and vice-versa). Nokia can exploit that space for at least a few years -- at which point Meego might be ready to really differentiate itself.