I have been encouraged by the music of Lecrae, Tedashi, the 116 Clique as well as their predecessors in their genre, Cross Movement. What is most exciting to me about these men of God is that their lives are about ministry. Music is just one of the outlets of expression of that lifestyle.
Reach Life Ministries recently produced a gospel tract that is relevant in style to the urban culture, but with the same timeless truth of the gospel. You can find an on-line interactive version here: http://www.readthisbeforeyoudie.com/
What new resources have you found useful for the gospel?