Like your idea about combining excel and Ipython a lot. So many people start with excel because it makes it easy to enter data and put up a couple plots, but by

Like your idea about combining excel and Ipython a lot. So many people start with excel because it makes it easy to enter data and put up a couple plots, but by the time you want to do something more serious, you have multiple worksheets and cross references everywhere that are difficult to replicate into MATLAB or Ipython or a similar environment. Definitely see a market for that.