1) Error breakdowns of DGE average for mb using input from b2sg and b2clnu moments were incorrect. Fixed on 2006/04/03 by Antonio Limosani 2) Typo : Incorrect HPQCD FF normalisation listed in table for Vub exclusive. HPQCD reference updated as the paper is now published. Fixed on 2006/04/13 by Antonio Limosani 3) hep-ph/0507253 now published Phys. Rev. D 73 073008 (2006). Updated on 2006/04/24 by Antonio Limosani 4) Changed reference of BABAR SL tag analysis B0->pi+ l- nu hep-ex/0506065 -> hep-ex/0506064. 2006/06/21 by Antonio Limosani (Error spotted by Francesca)