I've been using both Raise the Spirit and Bolster Courage interchangeably depending on the heal needed. Don't forget that when Coda of Vigour is applied after using Anthem of the Third Age, Bolster Courage becomes instant cast. Currently I have about 500 fate, so I don't need to worry much about power loss and using Anthem of Composure anymore. Anthem of the Third Age has always been my main choice anyway due to the 10% outgoing healing boost and the -25% for skill inductions, so even if I don't need to use Coda of Vigour on my target, I still use Bolster Courage a lot more than Raise the Spirit for the bigger heal and the reduced induction time.
Daenyras (now Eilifu on Brandywine), rank 12 minstrel / Ligeias, rank 7 hunter / Ligamortis, rank 7 stalker / Mordrakh, rank 7 blackarrow