Our Elder Scrolls 4: Oblivion Trainer is now available for version GOTY 1.2.0416 and supports STEAM, GOG, WINDOWS STORE.
Our Elder Scrolls 4: Oblivion message board is available to provide feedback on our trainers or cheats.
I use the Steam overlay and just paste the codes I will use in the chat window of one of my good friends who don't care. Then, mid-game, I just press Shift+Tab to open the overlay and look up the code. Doesn't lag me and is very fast.