I searched for this topic for a while with no results so I'll go ahead and post it.
What does it do? Really fast casting speed temporarily (it will require a respec everytime )
How?
1. Respec
2. Put all your points in UNTIL YOU ARE ABLE TO GET JUDGEMENTS OF THE PURE.
3. Go to the training dummy or whatever.
4. Use a Seal, and then put one point into Judgements of the Pure and use Judgement.
5. Put another point into Judgements of the Pure and use Judgement again.
6. Repeat step 5 until you have maxxed out Judgements of the pure.
Results:
Your buffs should look similar to
15%+12%+9%+6%+3% = 45% Haste
This can ONLY be done once per respec so...
However, when Dual Specs are releases, I assume this will be a huge exploit for Paladin healers.