I'm having the same critique. I really want to make pages and then be able to have them appear in multiple portfolios. I just tested out your work around with creating gallery's with images and then use the image to link to a page but this is not ideal. They created the Portfolio page for a reason. The other thing I want to be able to do is once I create a portfolio and a page inside in, if I choose to not want it on that page anymore, I have to delete it, or if I want to move it to another Portfolio, I have to delete it and rebuild the page in another portfolio. This is super annoying.