What do you mean with "tarnished"?
What I mean is that as a name brand, most consumers nowadays (at least here in the USA) think pretty highly of brands such as Apple, Samsung, HTC, LG, Motorola, etc. but not Nokia when it comes to smart phones and super phones. And now, just months after releasing the Lumia 900, Nokia is already slashing price in half, and word has gotten out that the Lumia 900 [Windows 7] phone will not be upgradeable to Windows Phone 8. When new customers get screwed over like that, that tarnishes the brand.