The Commission issued a Communication to the European Parliament and the Council "on the implications of the Court's judgment of 13 September 2005 (COM (2005) 583 final/2). That Communication sets out the Commission's thinking on what the Court's judgment means. There is an annex which lists all the other measures that are affected by the judgment.
The French Assemblée Nationale issued a "rapport d'information" on January 25th, 2006. And there are some interesting comments made by Judge Puissochet and Advocate General Léger to the European Committee of the French Senate here.
More recently, on July 28th 2006, the House of Lords EU Select Committee issued a compendious and interesting report on "The Criminal Law Competence of the European Community".