Read and use O'Reilly Digital Media's TiVo Hacks, a 278-page book authored by By Raffi Krikorian, to hack your TiVo box, the personal video recorder. This book is mainly written for Series 1 boxes that run on open hardware and are most easily hackable. It contains several tips for enjoying TiVo with more useful functions. For example, you can now change the order of recorded programs, or blaze through the commercials by using remote control codes.
TiVo Hacks has seven chapters that cover many interesting topics. These chapters include, for example, the topics of working with video as well bringing the Internet to TiVo. The organization of the book reflects logical progression of hacking topics and concludes with a chapter on writing codes. Consider this book from O'Reilly to enhance your TiVo enjoyment to higher levels.