Firstly, try the Buzan method of note-taking (thanks to Dr Peter Jepson for this one). A good way to learn!
Sixth Form Law is a helpful site for revision.
Help with Law Exams has good basic information on each part of the syllabus here.
Both of these sites are particularly useful if you have gaps in any of your booklets.
I will email all AS students a list of past questions for each topic shortly, so keep an eye on your eLoreto inbox!