Those of you with a certain degree of self respect, who have resisted the mighty pull of Just Dance, will be rejoicing today as the May 1st sales chart for entertainment software shows Just Dance has finally been toppled. The title synonymous with lonely housewives, scarily happy families and disillusioned grandparents has spent a staggering 3,243,000 weeks at the number one spot. Sadly it has been replaced by Fifa World Cup South Africa; a case …