My advice is to differentiate; jqGrid and SlickGrid are two very good jQuery datagrids. If you want to compete, do something they don't do (or don't do well).

My advice is to differentiate; jqGrid and SlickGrid are two very good jQuery datagrids. If you want to compete, do something they don't do (or don't do well). Maybe a jQuery mobile datagrid? They're far from perfect on the iPhone/iPad... Just a thought.