I am not sure if this is possible with this grid... DevExpress's winforms grid has this feature. When you are about to 'drill down' you can dynamically provide the data for the drill through via events. For example, when I expand the + next to a row, I get some event, I provide the relevant data and I get an opportunity to provide the child data ...

We're building performance tests in order to obtain some performance numbers so we can add them to the comparison chart, but will not publish them until the final product is released. So ...unscientific is all we can provide at the moment. On my Dell Vostro 400, which is a <$1000 business desktop, I just ran the latest nightly build to ...