In my experience that's pretty much the exact opposite of how enterprise IT works. That's why we tend to end up with so much miserable hardware/software. It's usually a calculation of cost/technical adequacy/ease-of-support. User preference or usability in general is not a big concern. Many companies have only recently begun to replace BlackBerries on a large scale. If you were correct we would have seen huge adoption of the iPhone 3G in the enterprise 4 years ago or maybe the iPhone 3GS 3 years ago. It's a trend that has really picked up only in the last 2 years or so on a large scale.

We have an IT company that is outsourced to handle all this stuff for us and they only deploy iPhones. They recommend replacing BB/Android devices via forklift upgrade. They actively do not support Android. If you're using anything other than BB/iPhone you're on your own. This is just one company out of probably thousands that provide similar services so maybe it's not a common policy. It was pretty sobering to me though. It reminds me of the Mac in the enterprise in years past. If you somehow managed to sneak one in the backdoor you wouldn't actually be allowed to use it. If this is becoming a common policy for Android devices then Google has a huge uphill battle. These types of companies aren't going to be re-evaluating their policies very often.