I am not an optimizer at all, so my choices for items reflect cool/fun ideas, rather than the best choice at a given level. But, since no one else jumped up to offer advice, here's mine, based on what previous Pally builds have had for magic (and minus the weapon, armor, and stuff you already chose that I choose too).

Shiftweave clothing, for when you aren't in armor and need to look good.
crystal of adaptation, for the endure elements protection
belt of healing, cause who can't use instant healing sometimes for 750 gold?

I always add an armor and weapon crystal of some type, because they are cheap adds to each (not +1 bonus). For instance, I like the lesser crystal of return, just for effect (who can't love a weapon that leaps to your hand from across the room).

Later on, you can look at called armor, or a ring of arming. There's also a glove/bracer/something that adds to your critical hit damage, you should look at that too, since you look to be maximizing your crit range/threat and bumping a little damage too.

Wands of cure are good, either normal or eternal wands. Wands of vigor are good as well, in either variety/level.