Aiming for 90+?
I don't think you should RELY on scaling, just do the subjects you enjoy.. My 2 worst scalers were my 2 best marks, because I enjoyed them the most.
Re: Tsfx!!!
Heyy my mum forced me to go to them every holiday sesh -.- for all my subjects.
was good to meet people, however it varied.
Some lecturers were enthusiastic/good and learnt heaps.. THe others were not as i left 1 hour early :P.
Either way you get a mad stack of notes /question...