Hi David,
Yes, Currently we are porting WPF grid features to the Silverlight version of the GridControl. You can have a look at the features list in the below link,
http://www.syncfusion.com/products/silverlight/gridWe will be adding up more features with each release. Please let us know if you need any more details.
Thanks,
Fahad
Grid Silverlight TeamSyncfusion Inc.,