Most likely you'll have been introduced to outliers before points of leverage. Here, in pictures, I point out what the differences between an outlier and point of leverage. I make a distinction between good and bad leverage points. After this vid, it'll all be clear to you. Surely it's worth 5mins of your life? You'll need to know these concepts before modelling in SPSS/PASW, Stata, SAS, R, Eviews, Minitab, Excel - whatever it is you use.
