If you had to provide a wizard like form entry experience in mvc how would you abstract the page flow?
Investigate the post-redirect-get pattern.
http://weblogs.asp.net/mhawley/archive/tags/MVC/default.aspx
http://devlicio.us/blogs/tim_barcz/archive/2008/08/22/prg-pattern-in-the-asp-net-mvc-framework.aspx
Use that along with a robust domain model (for tracking steps or form completion state or whatever you call it) and you're golden.