Use a Palm phone? Like the idea of Nova? We hope so, because the company revealed in its earnings call yesterday that it'd be transitioning its entire lineup over to the new, homegrown platform, though it'll continue to market Windows Mobile-based devices like the Treo Pro to businesses. Speaking of the Treo Pro, Palm mentioned that it'd be bringing its top-of-the-line WinMo device to a US carrier this quarter -- we think we know which one -- but the big news is unquestionably Nova, which will be released