A big challenge to bring a very conceptual topic in common sense to a group of developers of all levels. Freek knows his topic well and knows the limitations of Solid and is not shy to discuss them. A talk worthy to be seen by more at a conference near you.
+1 for mentioning Belgian beer ;-)
For a first timer... Well done! Difficult subject to explain. Two tips.. Use a different color scheme for your code (blue on blue didn't work for my eyes) and make the code always as large in size as possible.