Hope it's okay to post in this long-quiet thread. I'd like to offer some thoughts for you (or a future handbook writer).
Draconic Aura (Vigor) is highly rated as a feat for good reason. There's a Dragon Magic PrC Dragon Lord (requires: BAB +6 and Intimidate 9 ranks) which offers 4 Draconic Auras with up to +3 bonus each, and it's full BAB and has some other okay features as well, but a one-level dip will get you the effect of the feat -- fast healing 1 for all allies under 50% hp -- without buying the feat.
Also in Dragon Magic is a Conjuration (Healing) spell for Sorcerers which allows them to heal themselves: Undying Vigor of the Dragon Lords. It's a 5th level spell, and that's annoying if you actually want to cast it, but the cool thing is that you can use it to qualify for Touch of Healing [Reserve] and heal 5 hp/turn. If Draconic Aura (Vigor) is not available, perhaps due to a DM who follows the custserv ruling, it's a decent combo.
If Dragon Magic is not available as a source, then Races of the Dragon has Hoard Life, another Sorcerer-only Conjuration (Healing) spell at level 4. It's not as good as Vigor of the Dragon Lords, but it still good enough to qualify you for Touch of Healing [Reserve].
Summoners can use Summon Monster IX to get a Movanic Deva, and ask it to Hallow an area, and attach a healing spell to the Hallow effect. This is nice because usually Hallow comes with a hefty material component price tag, but the nice Deva gets it as a spell-like ability. Try to get the Deva's Heal put on the Hallow effect.