Either way, here is a list of good coaches in FM 2013!
Good FM 2013 Fitness coaches:
Gian Nicola Bisciotti
Antonio Bovenzi
Carlinhos Neves
Elio Carravetta
Valter Di Salvo
Andy Renshaw
Agostino Tibaudi
Jon Webb
Good FM 2013 Goalkeeping coaches:
Vic Bettinelli
Massimo Cataldi
Massimo Battara
Dean Kiely
Albert Van Der Sleen
Gerald Ehrmann
Olivier Pedemas
Paul Barron
Joel Bats
Eddy Pasveer
Billy Stewart
Best FM 2013 Tactics coaches
Paul gludovatz
Sergio Zanetti
Wim Teunissen
Best FM 2013 Ball Control coaches
Bobby Mimms
Best FM 2013 Defending coaches
Francisco Ayestaran
David Court
Best FM 2013 Attack coaches
Alexander Zickler
Sergio Zanetti
Best FM 2013 Shooting coaches
Thomas Hasler
Right now, these are the 4.5 to 5 star coaches that I have found in Football Manager 2013. If you have additions for the list, please state them in the comment section below!