Assuming it all works as intended, I'm going to give the [mod] qualifier a go.

I've stayed away from it up till now because my attention span is already spread pretty damn thin. I'm spamming '2' to keep my DPS going, spamming '5' to keep my heals landing, and I'm manually doing all my tanking on my paladin (which I'm considering re-macroing now that mana is less of a problem than it used to be).

I used to overlay these onto the same buttons but I found that there are times for tanking, times for healing, times for dps, and that situations don't always call for a combination of 2 or even all 3. Not that 3 buttons is a ton to keep up with, but I mbox on a mac, which means sub-par software tools. Clonedkeys often 'backs up' my keystrokes if I spam to quickly, so I might have a bunch of keystrokes in queue to be sent to my slaves that get delayed 5 seconds or something. It may be the limitations of the computer I'm boxing on causing this issue, but none-the-less, the simple my combat stuff is, the better it works out for my success in instances.

As for my warlock, I think moving the castrandom before the sequence will be a big help. Here's what I'm thinking.

Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt

This should be a decent sequence, lasting about 19 seconds after corruption is applied. Both Corruption and Immolate will have time to tick completely before being re-applied, and it's repeatable. It could be improved by staggering the immolates so that they were re-applied a bit sooner but it's a minor issue I may deal with later. Don't feel like laying out the chart for exactly where it needs to be inserted. 6 repeats of this should run the full timer of COE.

Code:
#show Shadow Bolt
/target [target=target, harm, nodead][target=party4target, harm,nodead][target=party1target, harm, nodead][target=party2target, harm, nodead]
/stopmacro [noharm][channeling]
/petattack
/castrandom [combat] Chaos Bolt
/castsequence reset=target/combat Curse of the Elements, Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Corruption, Immolate, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt, Shadow Bolt
Bolt
Problems I see with this are that I still am not using Conflagerate which upsets me. I thought about adding it to the castrandom but I'm too lazy to crunch the numbers on if I get a real damage increase off of blowing my immolate immediately which is what will happen most any time it's up on the target. I also am unsure if Incinerate, my newest spell should be added to the mix.