Hello,
Just wanted to intorduce myself. This looked like a good place for it.
My name is Philippe and I am from the United States. I am currently a student at Univeristy of Maryland University College. I am working on my graduate degree with a specialization in Database Systems Technology (Started my first class last month). I found this site via wikipedia when I started my research project on Database Types. When I found out that Codd viewed SQL as an inadequate implementation of his relational model I decided to write my paper on how SQL violates the relational model. Currently I am reading Database Types and the Relational Model: The Third Manisfesto as one of my references and when I get done with this research project I hope find the time to learn to use Rel/Tutorial D.
Dave I will keep your list of projects in mind if my studies require me to produce anything along the lines of your list.