Fired up MC 1.7.10 with IC2NuclearControl-2.2.5a-GoingForTheKill + industrialcraft-2-2.2.795-experimental and found an old MOX design I made months ago...
Not sure if it applies to today's IC2 as I haven't updated it but here it is:
It'll put out 600 EU/t if you tweak the heat limit a bit more but it blew up on me after I paused and unpaused the game so best to keep it set lower like I have it.
It'll hurt you if you go near it so yeah watch out.
Just thought I'd post it. Maybe it's a terrible design, maybe not you guys tell me
I like it though. I like pushing setups to the edge