All of my favorite mods for 1.2.5 that include:
[1.2.5]ReiMinimap_v3.2_05
AdvancedMachines 4.0
buildcraft 2.2.14
EnderStorage 1.1.3
forestry-client 1.4.8.7_bc2.2
industrialcraft-2-client_1.97
InvTweaks-1.41b-1.2.4
millenaire3.0.0r3
MineColony rc20
NEI_ForestryPlugin 1.0.5.17
Sim-U-Kraft-0.7.7
[1.2.5]ReiMinimap_v3.2_05
AdvancedMachines 4.0
buildcraft 2.2.14
EnderStorage 1.1.3
forestry-client 1.4.8.7_bc2.2
industrialcraft-2-client_1.97
InvTweaks-1.41b-1.2.4
millenaire3.0.0r3
MineColony rc20
NEI_ForestryPlugin 1.0.5.17
Sim-U-Kraft-0.7.7