When Microsoft signed up with Nokia, at first i thought it was the worst idea ever, ive owned several nokia phones, my favorite was my n97. amazing phone would have been even better on android. Nokia can def make some quality handsets and appeal to both the consumer and the business. I just recently got a Lumia 900, coming from a Motorola Atrix, and i can honestly say my Nokia blows my android out of the water, maybe not so much in apps, but the speed and design of WP7 imo is pretty solid. Android may have a huge marketplace, but that phone used to want to force close apps randomly, would reboot whenever it felt like, and just sometimes froze altogether. It was even rooted running cyanogenmod 7. i love my nokia, and everything about it, the color, the screen, the OS, it all just fits together perfect and just makes the phone that much better. Plus the battery life of my nokia, 4.3" screen compared to the 4" on my atrix and the 1850mAh battery in my nokia compared to the 1920mAh in my Atrix, My nokia lasts me a good 2 days on one full charge, Atrix... i was lucky to get 8 hours.
RIM on the other hand, ive had my share of blackberries too (8310 curve, 9700 Bold, 9550 Storm II, 9800 Torch) HATED each and every one. They were boring, reliable no doubt, battery lasted forever, their antennas were great too full service all the time everywhere. They had nothing to offer the normal user, everyone seems to be buying phones for the apps and colors now, not by what actually makes the phone great (eg; cameras, screen type, cpu, storage, OS). i usually dont get crappy phones, i always try to get the best of the best when it comes to phones, and from the great deal of phones ive had, my Nokia is really my favorite out of them all. I also think BB OS 10 isnt going to be all that great. RIM is trying really hard to stay in the market, and just no one wants a blackberry anymore, so its time for them to just stop trying.
Stick with Nokia microsoft, they can make a great phone, and Windows Phone is a great OS for the phone to attract both the business user and the consumer.