As a great poet once wrote, there ain't no party like an S-Club party. But while the pop icons have long since consigned their paper plates and pointy hats to the same dark cupboard as their funky funky beat, spare a thought for poor Mario. He's been throwing exactly the same party for the past six years, and even if he still has the appetite for another helping of sponge cake and jelly, we're not sure if his guests retain the same enthusiasm.This time around, Mario's chronic case of sequelitis ...