this made me laugh. i was a math major and still find it difficult to let go of a little pride and force myself to memorize things, and oddly, i also scoff at the idea of using highlighters and color-coding one's notes. review sheets are great, but when i'm not in the mood for making them or things just get too tedious, another thing i've found helpful is to review the same topic in as many different forms as possible--class notes, textbooks, BRS, cool tutorials you can find through google, harrison's or other medicine texts available through your med school's website, journal articles, etc. it may be a more time consuming method, but i've found it to be far less painful.
repetition is obviously key, but i think those of us with shorter attention spans tend to do better when there's a bit of variety involved. the thought of sitting down and reading the same text for 6 hours makes me ill.