This weekend at San Diego Comic-Con, Brandon Sanderson did a reading from the first chapter of A Memory of Light. Luckily for those of us that can't be there, someone has put it on
For those who prefer to read, our friends at Theoryland have kindly put a transcript online here.
If you are avoiding spoilers, Sanderson spoke for a few minutes at the beginning. He assured the audience that the book should be on time for the January 8th release date and would not be split. You can read a summary of what we know about the final Wheel of Time novel here and discuss it on our forums here.