I just reimplemented the overclocking balance changes in a clean fashion and pushed them to my fork on github. There's also a build (with RF input for machines) at http://alestan.publicvm.com/bin/gregtech.jar
The new overclocking system is disabled by default (MachineStats.cfg/B:newOverclocking_false) I've got it up and running on my server, if I don't find any issues within the week, I'll see about making a pull request for it. In the meantime, if anyone wants to look it over, try it out, and give feedback, that'd be great. Oh, and if someone wants to make an overclocker cover icon, that'd be awesome. I tried getting it to just use the ic2 overclocker icon, but it doesn't seem to work right. Otherwise I'll find some time this week to make one, but my artistic skills are sorely lacking.