I wasn't necessarily suggesting you should switch to Twilight. But rather that after allocating points you have few in your caste abilities you might want to think about whether your concept really is best suited for the caste you choose.

As to where you put your points, I still hold that your concept should dictate your choices. If you are a priest type Zenith who wants to lead the masses than you should get Performance. If you are more of a holy warrior than Integrity and Resistance. If you want to be more of a Druid than Survival is good.