I didn't do those texts, but the Excel comparison guide for Hamlet/R&G Are Dead was quite good. I'd imagine it'd also be so for Bladerunner/BNW. Just remember that in the HSC markers recognise big chunks pulled from these things and mark you down.
They are ok if you want some ideas....but it is better to come up with ur own ideas in english, if everyone writes wats in them u r in troubled...but they are good 4 helping u understand the text and give u a basis to start ur own analysis