Good route description!
If there are slow parties on the first two pitches of this climb (very likely), or you just want to do a more direct, more fun, 5.7 start, try La Chaim just to the left. This line follows the vertical white dike (p1) to an awesome fingercrack. Start in a short, slippery right facing dihedral to a long section of very runout 5.5-5.7 face climbing. belay at the far right side of the long arched overhang below the finger crack. Climb up and step left (crux for me) into the finger crack and follow it to the huge ledge. follow Enema from there.