Which of the 3rd party controls, best interface with LLBLGen? The controls I have in mind are, DevExpress, Telerik, Infragistics and ComponentArt. Is there other, may be less well know controls that work with LLBLGen very well. Or is it best to stick to the MS ASP.NET controls? Appreciate some feed back.

Forget componentart, they have hardcoded codepaths for only the .net datasources. Infragistics... they are coming with a bugfixed version, but the current version contains a bug related to ITypedList support. The rest is ok.