[OFFICIAL] List of good reactor designs Informatixa Feb 12th 2013 Link: Mark I-SUC EA Eu/tick: 520 Efficiency: 4,33 Cost: Copper 1746, Tin 169, Bronze 3, Iron 346, Gold 42, Glass 114, Uranium 24, Rubber 534, Redstone 283, Glowstone 2, Lapis Lazuli 29, Diamonds 19 Running costs: 169,52 UU Credits: Informatixa