Here's something I wasn't expecting: Microsoft has released its own chart control.
Over the past few years, I have used the ComponentArt chart, Dundas chart and a couple others. I know that the charting the Reporting Services was derived from the Dundas chart (I think) but this is pretty wild, because we now a free alternative to the 3rd party controls.
Scott Guthrie announced it (and discusses its usage ) here:
This certainly makes the charting world a little more interesting...
More later - joel