I'm not a Ford or Chevy guy. I'm a Jeep guy, so I use a Windows Phone--an HTC Touch Pro 2 for the last 2-1/2 years but ready to upgrade as soon as Verizon offers a decent replacement.
It syncs with my Outlook at work and home, keeps my meeting and appointment reminders and can roam worldwide. Plus, I use Windows every day so I know immediately how to use it. The apps are free and can be downloaded w/o going to a "app store."