I have completed the TOGAF part 1, with 95% last week.
Background - I have around 10 years of experience with java/j2ee back ground. Currently performing the role of a solutions architect.
Study - I did self -study for around 20 days. Only read the PDF book , purchased from the open group's website.( sometime referred to the online material from the open group's site as well, for a few topics)
I read the book twice in detail and kept making notes of the important points from each chapter. These notes helped me in doing final revision the night before the exam.
I attended all the questions at the end of the chapters and two practice papers at the end of the book. I scored near about 100% in the practice exam sets.
This link has a good collection of other online tests/material available on line regarding togaf. This helped a lot as well. Thanks to the author.