Hi Paul.
with-out being rude at all or anything,
not that i know myself as there is and are plenty of other members hear who know much, much more then i do and that their knowledge and experience is far, far, far greater and superior then mine will ever be.
with and in regards to your question being - will the hooks be sufficiently secure with 200lb test swivel or the 300lbs?
again there's many other's (2 of which you already mentioned) who know heaps, heaps more then i do and maybe able to give and or provide a better answer or be of more help and or of better assistance if that is what you are seeking, i myself do not see (why not) that hooks would not be sufficiently secure with 200lb test swivel/swivels, if that makes sense?
if you are in doubt about the 200lb, go up to the 300lb, though i believe either way you can and or could go with either one -- 200lb/300lb.