Your build is fine, has a bit more recharge than mine, too.
Here's the build I made for the incarnate soft-cap, but I never put it on live. I just use the confuses and small purples instead.
Villain Plan by Mids' Villain Designer 1.942
http://www.cohplanner.com/
Click this DataLink to open the build!
Code:
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Thanks for the feedback. Toon is currently 49 and just waiting on a few more solts. I decided to drop venge for combat jumping (2 slotted lotg's, dropped the glad armor proc and pulled the slot from there). I'm lousy at casting venge on toons that neither heal nor rez, also I like the combat mobility of cj. Saves me a GA 3%, too. End consumption seems fine for normal play, so i'll be using a spiritual alpha. I'm enjoying the build more than I was my melee-only widow, so thanks again 
. I was stuck in the mindset of "melee widows, ranged forts". I don't use the ST confuse much, so at some point I may look at swapping it for the stun or the AoE hold.
For hard targets like Cheat DE I use the ST confuse to hit the two bosses once each before the fight, then open with Aura of Confusion. Nothing even looks at me then, for the first 30 seconds anyway.
Roughly based on a build I found linked in Linea Alba's sig, pushed for trial cap. The other build does some things better
. Hoping to have enough end to run spiritual and get perma-hasten, not sure how it will work out in practice. Based partly on what's in my cupboards, though the enzymes are gonna cost me. Any thoughts? thanks in advance.