Discipline Priest Point Shop

I'm having trouble deciding what trinket to get from the point shop.

http://wotlk.cavernoftime.com/item=45535
http://wotlk.cavernoftime.com/item=45490

Show of Faith has consistent spell power and Mp5 on proc, while Pandora's has int and a spell power proc. I'm really not sure which is better for Disc Priest.

Take snow. After add EoF trinket with intellect for higher gain from Rupture talent

Ok, thank you for replying.