Teir 10

Personal opinion-- save your points.  if you buy T10 you'll probably end up replacing it within a week of Cata dropping (if it works like it did for BC and WotLK).  

Spend em. Faerilin's point is valid in that any gear you buy now will go bye bye within 2 months, depending on fast you level. Tier 10 gear will last you into 82 or so, so yes you will replace it fairly fast...

But the cost of other gear isn't nailed down yet, and my gut feeling is that they're going to make the new prices be much higher than the old ones. So yes, hoarding 2k points might get you a piece of gear earlier, it will....But the amount that the new gear will cost will be highly inflated compared to current gear. And points will come slower. I dont expect people to hoard 4k points and level to 85 and be able to purchase more than 1 piece of new tier gear with it.

I dunno. Maybe I"m wrong. if you're happy with where your gear is at now, then hold onto em. If your gear is holding you back or making you a hindarance on the raids you're doing right now, I say spend the points. You'll get em back eventually.

I think justice points are only for T10 gear and leveling type gear and T11 will use a different set of points.

My offspec tank gear  has Teir9 and best heroic drops only shield sucks but o well. I can MT or OT voa/toc but only OT ICC 10man than that not sure just little upgrade be worth it or not.