HiAlgoBoost- Basically dynamically changes your pixel resolution as you play. Standing still, you get full resolution when you can actually notice it. When you're moving and/or turning? It lowers it. Saves a ton of FPS. SMCO- Texture optimization. Even comes in 32-bit and 64-bit versions, and it has a very simple, clean interface. I advise you only optimize DDS and BSA with DDS only. NIF optimization might go awry and cause crashes. Which is bad. Ordenator- Noticeably slower than SMCO but with loads more options. What this has going over SMCO is that is can unify redundant files in your BSA's, can resize patterns, can turn textures into mipmaps for faster loading, and can reduce/correct texture resolutions. That last one has been a boon with my wimpy Intel HD Graphics. Downside? It can't convert certain texture types, though it'll do its darned best to optimize them (like ARG8... something, if I recall). However, SMCO can. So, I run that first and then Ordenator. Everyone's happy.