Do you find yourself making the same changes to Project Options for every sequence that you create? You can avoid this by creating your own customized template(s). The steps to be followed are:
Finally, you need to make your customized template the default for all new shows. Proceed as follows:
When you now click on File > New the settings of your Default Custom Template will applied every time.
Optionally, it is possible to create several Custom Templates e.g. 4:3, 3:2 and 16:9 and load one of those instead of the Default Custom Template.