For those of you who weren't at IOD this year, you may be interested to know that some of the presentations are now available on ibm.com. The one about active-active data warehousing by Dwaine Snow, Linda Snow, and Enzo Cialini, all of IBM, is a good read that doesn't require you have a presenter handy. It's pdf format can can be viewed or downloaded from the following link:
The covered points include:
You'll probably need 15-20 minutes at most to go through the slides.