umm...ok i just tested it and the mods that i wrote as off didnt work it looked like this:#ModLoader Config
#Wed Mar 07 18:55:06 GMT 2012
mod_ModLoaderMp=on
mod_BuildCraftCore=on
mod_RailcraftExtras=off
mod_WirelessRedstone=off
mod_NotEnoughItems=off
mod_BuildCraftTransport=on
mod_BuildCraftEnergy=on
mod_RedPowerWorld=on
mod_WeaponMod=on
mod_NetherOres=off
mod_RailcraftFactory=off
mod_BuildCraftBuilders=on
mod_IC2=on
mod_ComputerCraft=off
mod_RedPowerLogic=on
mod_RailcraftIC2=ff
loggingLevel=FINER
mod_BuildCraftFactory=on
mod_InvTweaks=on
mod_RedPowerMachine=on
grassFix=true
mod_RailcraftRails=off
mod_RedPowerCore=on
mod_zAdditionalPipes=on
mod_RedPowerWiring=on
mod_WirelessRedstoneClient=on
mod_RailcraftAutomation=off
mod_RailcraftCore=on
mod_EE=on
mod_Forestry=off
mod_PowerConverters=on
mod_EnderChest=off
mod_MAtmos_forModLoader=off
mod_RailcraftBuildcraft=on
mod_RedPowerArray=on
mod_ReiMinimap=on
mod_RedPowerLighting=on
mod_Clevercraft=on
mod_MinecraftForge=on
mod_RailcraftInfrastructure=on
mod_ItemDescriptions=on
i know it didnt work because not enough items is still on the inventory screen.