Dognzbr Invite - 35$ (100% Ratio, 60 GiB Buffer)

Kleverig account - 24 $ (100% Ratio, 30 GiB Buffer)

Nzb.cat invite - 65$ (100% Ratio, 210 GiB Buffer)

Nzbplanet invite - 95 $ (100% Ratio, 290 GiB Buffer)