P4 or P5 or P7 – Who are the best Lecturers?

I am planning to study fulltime and finish my ACCA by Dec 2014.

I am doing P1 and P6 and can not decide on the other option any guidencewould be really appriciated. ( I have already done P2 & 3)

Also does anyone know who the best Tutors are for the below subjects in London at either FTC Kaplan or BPP..(Apart from our dear Mike)

Please reply if you have done the below papers and have passed with those tutors.

P1
P6
P4
P5
P7