A few things pulled from Rich Bakers answers on the FR gleemax thread
Answering a question about whether some PP's will be open to more than one class (here) :
Here he suggests Swordmage's primary stats will be INT and STR (not surprising).
Here he talks about deity-specific feats/powers for clerics:

Paragon path requirements will vary a bit. The PH paths are tied to specific classes (although you can get around that with multiclassing), but other paths aren't tied so tightly.


The cleric and paladin have the ability to channel divine power. All clerics learn to use this to turn undead. Clerics who want to spend a feat on it can pick up a deity-specific use for this ability, which often amounts to a deity-specific power.