I grok why you would want to replace VBA for Excel by Python. But once you've switched to an iPython way of working, your pretty much above and beyond the spreadsheet world?<p>iPython-way: Build or import nice functions, import them, get your (new) data, run your models and see nice graphs in iPython.<p>So what the niche is that this product focusses on? Empowering the finance-via-spreadsheet world where separate programmers are dying to be allowed to use Python instead of VBA?