When making my first characters I was struck by the fact that you can't allocate roll results to particular stats (unless you used the point distribution system). I personally like random stat generation but you should be able to roll 9 times then place them where you think them to be appropriate for the character you are trying to make. Without this you may want to make a heavy gunner or weapon specialist who ends up with BS 24 and Fellowship 38, so you tell yourself, guess I'll be a sergeant and try the shooter types next time.
Also, I think in general people generally pick a class before they roll stats, simply change pages 37-39 so that Stage 1 is Choose Specialty and Stage 2 is Generate Characteristics.