Thanks for all the advise!
Yes I’ve emailed Dusty Strings like mad already but it is very worth asking the customers/harpers themselves. I am remotely in love with both and their distinct features which makes it difficult to decide.
Living in a tropical climate, yes, the type of wood and construction will make a lot of difference here as some of my current harps’ wood have already moved, which is scary. Nonetheless, will wait a while as I may have the opportunity to touch a Ravenna and FH when I go to the UK in April.