Wrap-up and analysis of Round 4 matches and preview of Round 5 in the 2007 Super 14 season. Blues v Highlanders (Auckland) Waratahs v Force (Sydney) Cheetahs v Chiefs (Bloemfontein) Hurricanes v Stormers (Palmerston North) Brumbies v Bulls (Canberra) Reds v Lions (Brisbane) Sharks v Crusaders (Durban)