hmmm If youre in a MBBB try le Gavroche, any of Ramsey's, J Sheeky for fish. ( I particularly like Petrus)If youre not in MBBB but still have a semi decent budget, try Le Pont de la Tour, Bentley's, Bibendum etc. If youre from a big 4, try Gauchos, The Texas eatery, or Nandos.