well strictly speaking the nuclear option - is with respect to ending filibusters on judicial appointments, since what is required is a yes or no vote, and there is no way to compromise (as you might on some other bills).
Filibusters would still continue to be an option, but not with judicial appointments. (It may be argued that it would end the option to filibuster though, and this cuts both ways,
one day when the democrats will be on top, hard as it may be to believe that day will come, the republicans will wish they still had the filibuster option.