I was playing around with custom list views assigned to a content type. This is much easier to do with SPD 2010 than it was with 2007.
As you can see, http://alexgorbatchev.com/wiki/SyntaxHighlighter is included in the code field rendering.

Download the 2010 Site Template WSP http://www.wssdemo.com/Downloads/PSLibrary.wsp and load it into your solution gallery
(_catalogs/solutions/Forms/AllItems.aspx)
to create a site that includes this list (not tested on another farm so there may be some relative link issues, let me know if so).

I would have created a list template for you (all the resources for SyntaxHighlighter are in a hidden folder in the list so it would be self contained) but there is a bug in Beta 2 which means that only the Title field is created L