How good are Cram101 books, are they worth buying?

[norema]

The Kaplan GRE psych book worked for me. I used it for all of the psych courses.

The first thing I would do is round up a cheap set of textbooks from half.com. They often take a week or so to arrive.
Go to a bookstore and buy a few coffees while you read the GRE Kaplan section for your test.

I started with IC. What I do with IC is:
1) I only make one pass over the flashcards
2) With each question that I don't know, I paste the question and answer text into a notepad file. I read the questions and answers carefully while doing this.
3) I spend about an hour or so per day reading the notes that I took.
The notes are often 40 pages of dense text.

I have the Princeton GRE Psych book, do you that one would do as well?