The best choice in this tier is probably Final Verdict, not least of all because of its ease-of-use and general applicability. Additionally, this talent boosts the damage of Divine Storm greatly, making it very powerful in cleaving situations.
Empowered Seals is much more difficult (and challenging) to use, and there is no increase in damage, especially at lower item levels. This talent will be of interest at higher item levels, or for players who are looking for a more challenging rotation.
Seraphim is likewise more difficult to use, and it also is not as good as Final Verdict at lower item levels. It could only ever be useful in scenarios where you have to burst down something, and where this burst is of paramount importance (so much so that you can pool up 5 Holy Power for it). Otherwise, there is no reason to use this over Final Verdict.