There will almost certainly be another sale on between now and next year, so I suspect, but don't know, that prices will fall between now and then. I think the general advice is that prices are lowest around 8 to 5 weeks before travel, but that is such a generalisation as to be almost meaningless.

Not sure if that's per person or total booking, but as a general rule if you see a price that you like, best grab it (and don't look again!). But if that's per person the lower price for 10 days is indeed good value, depending on the hotel.

Welcome to the BA board, it's good to see you here.