Which is better to stick with?

Im having some issues on deciding. Tomorrow me and a group from today are going into kara starting at curator and if these Wrynn Dynasty Greaves drop, should i need them or should i stick with what i have?
Im a little confused atm cause im uncrush now and sit unbuffed at 11.2 hp.

I bit the bullet switchin from my felsteel helm and gloves for iron maidens gloves and the eternium greathelm. which over all i lost about 400hp, but it doesnt make a big enough impact on my uncrush status. right now im at 2% over uncrush with my HS up according to tankadin mod.

I read the gear guide but im not sure if they mean that the pants are better compared to the other epics, i have my pants stacked with stam and the clefthide leg armor. Any advice Id love to have.
Thank you all.

And thanks for the other advice that has gotten me up to uncrush status. I was peeing myself with excitement once i got there. TY TY TY!!!
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http://www.wowarmory.com/character-sheet.xml?r=Darkspear&n=Meatydog

Wrynn's are pretty much a direct upgrade to Timewarden's. Yeah you lose 9 stam, but you gain a ton of avoidance and the armor difference makes up for a lot of it as well.
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I can keep rhythm with no metronome.

You'll use Wrynn's until you get the Aldor legplates... Or your T6 pants for the bonus.
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Official thread killer