You may download it at www.clearoffice.com/download.html
The assembly version is 1.0.2010.0830.
This version fixes all the bugs reported in previous blog posts as well as a bug when copying full column or full row ranges and a bug in the install of the spreadsheet framework for Visual Studio 2010.

Release candidate 1.0.2010.0809 introduces 2 new skins (Black and Silver)

The default skin is still the 2007 blue skin:

But you can select one of the two new skins:

2010 black

2010 Silver

You may select the skin by pressing the "spreadsheet option" button in the application menu.

Internally, skins are implemented as pairs of resource dictionaries: one for Office level brushes and one for Spreadsheet specific brushes. The resource keys are defined in class OfficeBrushes and SpreadsheetBrushes respectively.

The samples come with a SpreadsheetSkinSample project which demonstrates how to switch skin programmatically and how to define your own skin.

This version also fixes a bug which occured undoing a cell merge.

You can download this version at

www.clearoffice.com/rc

This August 2010 release candidate improves the following:

• The worksheet's skin is customizable. See the SpreadsheetSkinSample project for more details.
• Class Worksheet exposes the UsedRange property.

You may download this version at www.clearoffice.com/rc/

This August 2010 release candidate improves the following:

• Better border icons
• Fixes a range merge undo bug
• Sheet protection protects objects by default.

You may download it at http://www.clearoffice.com/rc

This August 2010 release candidate adds data validation to copy/paste operations.

You can download it at www.clearoffice.com/rc/download.html