Once you hit the midway point in the season, most TV blogs start talking about next year. TV Line’s scorecard is usually pretty good, and they have CSI listed as A Sure Thing.
You can check out their list at 2013 Renewal Scorecard: What’s Coming Back? What’s Getting Cancelled? What’s on the Bubble?
I find it interesting that SVU is an ‘either way’ sort of, since that’s really the main Drama competition for CSI these days on Wednesday.