Just found some good BP articles from Kazi Manzur Rashid's Blog:

#part 1
http://weblogs.asp.net/rashid/archive/2009/04/01/asp-net-mvc-best-practices-part-1.aspx

#part 2
http://weblogs.asp.net/rashid/archive/2009/04/03/asp-net-mvc-best-practices-part-2.aspx

Enjoy them!