If you are running Redstone Power PR2b (and there is no legitimate or good reason not to be running it; it has no crash bugs and is rock solid and enormously expands the game) then you can do this design : http://forum.industrial-craft.…age=Thread&threadID=2049&
There's really no competition here. I have one running at 260 EU/second with an efficiency of 3.71. Don't believe me? Log in to my server and see for yourself. (see brickedtechnology.blogspot.com)
Yes RP PR2 may be awesome, (and I have got it for SP) But not ebveryone wants to have 3+ mods running at the same time. A lot of people find it difficult to sort out the mechanics of the technology type mods. Personally I was turned off by the fact that it had ruby, emerald and saphire, and volcanoes were lagging me badly (I get max 30 FPS in vannila MC) as well people might not like the general theme and design of RP PR2 (I think multi modding madness is awesome but they dont all match)
those are reasons (maybe they are not "good") for not using RP PR2
Personally I am cautious with pre release stuff and dont want to try my luck with such things.