I've owned devices with Ti and Tegra processors, and they've been great devices. My Gnex and N7 being counted among those. But for non Nexus devices, phones with Qcom processors always have great development community support, and it seems like Qcom does a great job of working with the development community, and increasing the longevity of their devices.
So I bet the development on the new line will be great, and I'd love to be able to test out what people are doing with it!
Sent from my Nexus 7 using Tapatalk 4 Beta