im sure dave will know better than me, but i just ordered two cfr-sl's 165 gr. these were the lightest he had and he only had two.(mark molnar, discgolfvalues.com) these discs were from the golden state classic, so if you can find a source for those tourney stamped-discs you may be able to get one, whatever weight.
i imagine in the near future other tournaments will be feeding our "addiction" for premium plastic in the starfire-L mold....right dave?