1. The selection of ranges (Input Range and Output Range) would be made easier if one could use the standard keyboard sequences (Shift, End, Arrow-Down, End, Arrow-Right to select a whole block).
2. The Casewise PCA scores do not equal the results of the calculation shown in the Help file. They are de-meaned; maybe that should be made clear.
More generally, have you thought about adding some time series capabilities to the product?