i heart...the gospel coalition
http://thegospelcoalition.org/
this is one of my favorite reformed websites. thought-provoking and conversation-provoking articles. fabulous book recommendations. fascinating interviews. challenging and enlightening posts from pastors and theologians who are dedicated to the Gospel.
for all you luther lovin' + solas memorizin' + calvin quotin' christians out there. check it out.
and, coram deo.