So about everyone I have talked to is disgruntled with the new Coliseum in 3.2.

Here are the steps to use it:

1. Become exalted with Argent Crusade so it unlocks

2. Beat it on regular mode (drops Champion Seals which btw, right now only item of value is an epic weapon; I'm not going to mention the collector mounts/tabard/banner because they're collectibles). BTW, the instance is just a round arena where 1-5 bosses come out and you down them... instance done thereafter (and fyi, Blizz is only unlocking one boss per week).

3. Do it again in heroic to get an emblem of triumph

4. Turn in 40/50/60 emblems of triumph for one piece of T8 gear.

It's actually a lot easier for a casual like me, but at the same time, running it 50 times for one piece of gear... yuck.