Google adds new features to Spreadsheets
Google has introduced some new interface elements to Google Spreadsheets that make it easier to lock rows and sort columns. The new sortbar is a draggable break between your headers and data -- it's an intuitive way to create locked columns and to sort rows.
Another new feature is quick add. When you highlight a group of numeric cells, you will find their sum in the lower right corner -- this change makes using spreadsheets a bit more interactive by allowing the user to perform a simple calculations without writing formulas like "=SUM(A5:A8)" in another cell.
Previously, Google Spreadsheets was only available on supported browsers -- now, regardless of your browser (supported or not), you are at least able to view your spreadsheets. It's too bad this application isn't 100% compatible with all browsers, but this is a good compromise for now.
Read more about the new features here.
[Thanks Nate!]