@kalos72 for the Invasion timers I'm using this:

https://mods.curse.com/addons/wow/legioninvasiontimer

I actually like the Jamba group window, but as I'm trying to work out some more custom/flexible healing for different situations I decided to go this way. I'm hoping to tag team some raid bosses this time around with one or more boxers.

@JohnGabriel I plan to devote some serious time to my isboxer setup after the UI is finished and I've upgraded my machine a bit. I have a feeling it's going to be just as involved with the functionality I'm wanting to include in my setup.

@CDNProdigy That's actually something I'm seriously considering. Possibly with WeakAuras alerts (or whatever equivalent I decide on) to tell me when an ability is off cooldown. I'm trying to make this one give me feedback that I want/when I want it rather than just all the bars all the time. At most, I think the rotational abilities and possibly consumables will be visible. But the consumables will definitely be added into my alerts.

Skada is definitely going to be hidden during combat, I like having it after combat. But it's more distracting than anything during combat.

When I'm finished I'll probably make a short video to display the UI in action.