I really enjoyed the AOP workshop because it's rather new to me, I saw my first AOP presentation (Ron Bodkin) at Server Side Symposium
in Las Vegas this year, and as a result of that I was eager to learn.
The evening before the workshop
we (the BeJUG steering members) met with Adrian and Rod for dinner. After a good meal and some beers we started, what else would you expect, talking about AOP and Spring. During these conversations I already received many answers to the burning questions lined-up in my head. I couldn't wait using it.... and because of that (or was it because of the number of beers?) I only fell asleep around 3 o'clock.
I had to be early at the venue because I needed to setup (and test) the hardware for the video and audio capturing. It seemed that Eva, Arjan and later Jo are also early-birds.
Rod and Adrian decided to do a joined AOP introduction which went very well.
Afterwards Rod continued on the Spring AOP features and I personally think (at that time I didn't know of course) it would have been better if Adrian first finished his complete presentation.
For the people interested, there is a brewery in Bruges called "De Halve Maan" which releases betwen May and June an old family season beer called Spring. Luckily for Rod I knew this and was able to give him a one liter bottle, cheers 
Adrian really gave me a good view of how 'cross-cutting concerns' can be identify from an AOP angle and create the right modularity we've always tried to achieve using OOP.
AOP creates reusable OOP
I truly believe by introducing AOP in your OO application, we can finally keep the essence (=business logic) in our application code.
I always wondered how I could enforce design rules, like if I've done for the JJGuidelines
OOP rules using CheckStyle and PMD which are based on AST. It's clear after the MVC / AOP example from Adrian that I could probably use AOP for this. GREAT!
Wim was the last AOP speaker. What I found interesting was the comparison between the different AOP players and the surprise that different Belgium Universities are strongly involved in the whole AOP movement!!
Before Adrian and Rod flew back to the UK, we captured the two interviews.
Afterwards I was able to burn the complete workshop on one DVD...Robin it's all yours now...