We find this instructive post concerning Christian agnosticism over at Strange Baptist Fire which begins:

In my last post, I talked about the clash between doctrinal certainty as held by Calvinists versus the postmodern embrace of ‘mystery’. Groups like the Emerging Church would often rather place matters of controversy beyond human reach, and I fear – treat revealed truth as though it were not revealed.

I think another example of this postmodern tendency can be seen in this post by Chris Lyons, who is a vocal critic of Calvinism as well as pretty much any kind of Systematic Theology.