I've had this on my "feature @todo list" for some time...
This will allow ALL the optional CSS files to be excluded should you choose. The 960.css will always be included (either in fixed or fluid format), but this will let some users that do not want the default typography and resets, etc. to be included.
Comments
Comment #1
himerus commentedto be released in BETA10
Comment #2
himerus commentedConverting to 7.x issue, will be released in BETA4