Altho one can win with it, I think fastbreak is the least favored offense among folks who appear to know what they are talking about
conventional wisdom is that press has an edge as the game is currently configured
then again, you have to pay attention to the skills of your inherited players - both ratings and the scheme they know
I generally stay with what I inherit, especially if I plan to move on soon as I can get a better job. Changing schemes is a big slowdown on progress. Amd, the differences between schemes are meaningful but not huge