2016 Update
Styles and fads come and go, but the advice below remains the same for Buoyancy Compensators. Unless someone figures out how to turn them into gold, there is nothing new to say about lead weights.
These items, along with tanks, are generally considered separately, something that I think is a mistake that often leads to buying equipment that quickly becomes inadequate, especially in the rigorous environment of the North Atlantic. However, it is not difficult to select items that both perform well and allow for future expansion, once you consider the requirements and interactions. To that end, I suggest that you read both the sections on BC & weight systems, and the section on tanks.
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