Personally, I find that SinX are horribly overpowered.
My SinX, with 100->175 vit, has over 200k HP.
My Paladin, with 100->175 vit, has less.
SinX, have almost as much HP as a LK.
They already deal SO much damage, and the fact that they can switch gears to reduction + coma..
That's just stupid.
I agree with the SB delay, it's beautiful.
Most sinX do anywhere from 15k->32k, if not MORE. Per SB.
The fact that they could spam anywhere from 4-10 was... Stupid.
I like it the way it is now, if anything. I say lower coma chance, and SinX hp.