This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I'm not sure I understand the question. If you simply want the values in form fields to be redisplayed, as long as you've used the html:xxxx tags for the form fields, they will be redisplayed with the values entered by the user without you having to do anything. The key factor here is that the form bean must retain its values.