I have a related question: I am interested in getting started, and am currently heavily leaning towards GAE + Django. Friends say everything is swell, I like us

I have a related question: I am interested in getting started, and am currently heavily leaning towards GAE + Django. Friends say everything is swell, I like using Python, etc. Any reason NOT to invest more time in this? (Without, er, necessarily instigating a RoR debate).