Day Three - Finding joy in God’s glory

Interesting, is seeing joy treated over and above faith? Day Three - Finding joy in God’s glory | Mission-minded church | Sydneyanglicans.net:

Now let me be as clear as I can - Piper’s theology is not medieival mysticism! But his illustrations kept locating glory in the heavens. He did not speak about the glory of God being seen in the cross. It would be supremely unfair to judge him by this silence - the man has written books on the cross that I haven’t read! But my question is where Piper’s schema could take you rather than where he is. If heavenly glory is the main game, and the cross is penultimate to that end, then doesn’t that sound more charismatic than evangelical? Won’t faith become secondary to the more ultimate experience of joyous delight in God? Will preaching push people to visions of heavenly rapture or to the shame of the cross?