I agree with Biscuit - a lot of it is hard, and much of it dull. I'm doing the Bristol course and had got through all the frames in a few months. However, life got in the way of my plans and I lost momentum. This is the biggest danger. The only way to do it is to keep going steadily and accumulate and assimilate the information as carefully and efficiently as possible.
Being self-employed, and with my wife losing her job in the middle of my studies played havoc with my momentum! As such, it will have taken me eleven months to do module one, when I thought I could have the whole course done in twelve!
AppleMacster