Outbuilding rivals after they paid for innovation

Did Beresford oppose super-dreadnoughts as well as other new warship designs?

Yes. His preferred approach was to let other navies bear the cost of advancing technology and then outbuild them.

Beresford opposed a wide range of new warship designs, including super-dreadnoughts. His preferred policy left the costs of technical development to other navies. Britain would then concentrate on building more ships than its rivals.