I think I have one with modloader mp, the forge, and that server fix thing.
Not sure if I have any more mods directly installed into the server files, I don't really keep track of my jar file mods. 
Edit: You know what they need, a minecraft server nostalgia!
Hi. I just joined here from the minecraft forums so I could show you my mark I nuclear reactor. I use it quite often because it gets around 80 eu/t.
That 's pretty good for a completely safe mark I-O reactor. 
I am currently using it to power a terraformer in the end to get the endgame paradise achievement.
I managed to cram a lot of uranium in there without any risk of exploding...
http://www.talonfiremage.pwp.b…l8i5z8n65vbpp4mkpsjsg8bb4
Edit: Here's a refined one that saves you one coolant cell:
