skill-/spellspeed, why is it still here?

[Kelthos]

And how much SS is needed to do that? You're sacrificing so much Determination and Critical to achieve that high of a number just so you'd run into TP starvation later on. And when you're TP-starved, you have to wait before you can attack again. Isn't that less exciting?
Here's an analogy: Do you want to hit fast but hit like a wet noodle for 5 minutes or hit hard, just a little bit less fast for 8 minutes?

Actually its not much sacrifice since I don't do coil or ex primals since I'm a fairly casual player the gloam set has close to enough on it with a few other pieces in there.

The set I am going for is: http://ffxiv.ariyala.com/MFEX
It's pretty low in Crit but its got a decent Det. and tons of Acc. if I decide to do a little coil.

I have only run out of TP a couple of times, but for what I do it is very rare the furthest coil ive done is T1, so for me I just find it more fun to attack faster.