Time will tell of course - and we're not fortune tellers here.
You make an excellent point about Windows 8 though, and I'm hoping it's a big hit.

Now if you want to try a little experiment why don't you get this thing:
http://rhomobile.com/products/rhodes/
...which will allow you to write an app for iPhone, Android, RIM, Windows Mobile and Windows Phone 7 all at the same time...and see which sells the best. It will most likely be in the listed order and if Symbian was in that list it would probably be above the windows ones too.

>Number of apps does not equate to quality of apps. There are lots of duplicate apps in the marketplace. Go look at prediction from Gartner, Forrester, Boston Group, and others about where the phone market is going. iPhone will still be the king, but Windows Phone will rise to number two.
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>And, with Windows 8, you'll be able to run the same app, with minimal code changes, on phone, tablet, and desktop. That's marketshare. You can't do that with any other phone platform.
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>>You know this is about size of market and you know WP7's market is too small. How can you claim lots of good apps like iphone a phone has a big market. That's conflict with economy rules...