Make sure you know the 2003 tests cold, it is very common to get 10+ questions that are the exact same or very similar. Also know most of the material on patentbarquestions.com, with that, you will be going into the test with a pretty good chance that 1/4 of the questions you will see are ones you have at least studied in some form. Being familiar with searching the MPEP with an old adobe version (5 or 7) and only searching by a single section at a time, will also increase your speed and searching accuracy.
The patent bar is doable without one of the expensive prep courses, but you will still need to get familiar with the material in the MPEP and its important sections, in order of importance, (102 a-g, 103 a-c, PCT, appeals/petitions, 112 1/2/6, re-examination/reissue). Without a course it can be pretty nasty, since reading straight from the MPEP for long periods of time is mind numbing, it is designed to be a precise reference book rather than well written instructional material.
If you have any detailed questions about the patent bar, you will much more likely receive a fairly accurate answer at intelproplaw rather than LSD.
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