Here's a link: http://www.desiringgod.org/Blog/2271_unconditional_is_the_ground_of_conditional/
One of the things I appreciate most about Piper is his willingness to take ALL of the Biblical data at full face value, without removing anything to make it more "logical." He also has a good ability to philosophically work through possible explanations to make sense of the difficulties.
If I have found favor in Your sight,
please show me now Your ways,
that I may know You,
in order to find favor in Your sight.