Yes and no - there's weather apps for Blackberry, but, my ability to have e-mails, calendar and a week's weather forecasts all on my default desktop comes down to the availability of widgets plus the screen space to run them. This just works better (for me) than trying to achieve the same under Symbian or BB.

I live in surburban London, but 3G coverage remains hit and miss, WiFi is not ubiquitous, contactless payments haven't taken off and I don't own a single HDMI-compliant device. I use a few cloud apps, but I don't expect to be able to do so reliably from a mobile. When all that changes (and matters more to me than the combination of functionality I get from the N900), that's when I need a new handset...