The May 2012 reprint will be lightly revised from the BP version. If you're not paying close attention, you might not notice.
The cover proof said "A Repairman Jack Novel" but I objected. They say they want "Repairman Jack" on the cover for obvious reasons. I suggested a compromise: "Repairman Jack at the End of the World" and they like it.
FPW
FAQ
"It means 'Ask the next question.' Ask the next question, and the one that follows that, and the one that follows that. It's the symbol of everything humanity has ever created." Theodore Sturgeon.