I think you're right. Look at the gap between WP7 GSM and CDMA launch. It's definitely not a trivial problem. I think as developers unfamiliar with the tech

I think you're right. Look at the gap between WP7 GSM and CDMA launch. It's definitely not a trivial problem. I think as developers unfamiliar with the tech we'd like to think that different radio stacks can be abstracted away, but the reality is likely very different.