But what about this scenario: You know you are going to die (say in an upcoming battle). So you cast a whole bunch of permanency spells b/c when you get raised you're just going to lose that XP anyways. But you'll still have the permanency in effect if you allow it to continue to effect an object rather than a person. Permanency isn't really permanent anyways, since dispel magic can get rid of it.
That's why I tend to agree that permanency should end if you die (presuming the spell doesn't effect objects).
Furthermore, I just noticed something else of interest. You can only cast invisibility on an object when making it permanent. So, if the spell stays in effect even after death, you could cast invisibility on a corpse and make it permanent before raising the creature, which would then be permanently invisible. Broken? I think so.
The permanency spell distinguishes between what spells can be cast on "yourself" and what can be cast on others or objects. Under the returning the dead to life section of the PH, it states that upon death a character's soul leaves his/her body and travels to the astral plane and then to the plane of their deity. To me, that would suggest that the corpse is no longer the "self" and justifies the official ruling that a corpse has become an object. Ergo, any permanent spell effects that do not effect objects end.
I realize this creates a little consternation on the part of spellcasters who have gone to the trouble of burning xp for permanency, but death should be feared regardless. It also prevents characters from burning XP today, knowing that they will have the opportunity to earn it back should they ever die.