Please add a cell Name field visible on the client and server side. If this name could be grabbed from an excel spreadsheet using the naming functionality built into excel, that would be a major plus.

I would like to see the ability to add checkboxes to spreadsheet cells.  In particular, I would like to check boxes in the top row and/or the right column to select rows or columns and then modify cell values based on the the selected checkboxes. 

Can be interesting the power pivot functionality to be supported for spreadsheet control for telerik ui for Ajax.Net.