XSLT List View web part is a new type of web part that lets you manipulate data in a flexible manner using SharePoint Designer 2010. A designer can easily connect to a variety of data sources to display data as needed and also setup any required conditional formatting of data. The best part about this setup is that a member of the site who is later using this data through the browser can easily interact with the views of this data or create additional views.
This video is part of the SharePoint Designer 2010 video tutorials DVD
Course: SP201 – SharePoint Designer 2010: Create No-Code Solutions
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The following article explains how to configure a Data View Web Part with conditional formatting to allow items in a SharePoint list to be formatted based on item-level meta data, such as the due date or priority of a Task Item. The example formats items in a task list so that overdue tasks are bold and red, tasks due in 3 days are formatted as orange, 1 week yellow and one month green.
See http://blog-sharepoint.blogspot.com/2009/05/data-view-conditional-formatting-using.html for details.
SharePoint Conditional Formatting
[...] Video for XSLT List View web parts and Conditional FormattingXSLT List View web part is a new type of web part that lets you manipulate data in a flexible manner using SharePoint Designer. A designer can easily connect to a variety of data sources to display data as needed and also setup any required conditional formatting of data. The best part about this setup is that a member of the site who is later using this data through the browser can easily interact with the views of this data or create additional views. [...]
Very good straight forward example, just what I love about these videos, they get right to the point and have excellent examples.