Sometime back on this forum, there was a discussion regarding H-1B status after using AP. I found following article which might be useful to those who might have questions regarding impact of AP, EAD, I-485 on H-1B status:
http://www.hooyou.com/news/news011003h-1b.htm
http://www.hooyou.com/news/news011003h-1b.htm