As a young whippersnapper who has grown up with cell phones, all modern computers, and all that stuff I will tell you a few things.
It seems that everyone is biased when it comes to their preferred electronics.
I see it like the Coke vs Pepsi debate. Its all about taste.
No matter what anyone here tells you, it all comes down to personal taste.
That said, I have found a few things about Android vs iPhone.
Android gives you more features.
iPhone gives you a better 'experience.'
Blackberry's need not apply...
Also, it's incredibly hard to find a portable camera better than the iPhone 4 camera. I have considered buying one just for the camera. It's quality is completely absurd and absolutely uncalled for.
http://www.youtube.com/watch?v=HymoNGR3G5w
http://www.youtube.com/watch?v=H7bStLePvKo