Having read about the framerate issues on the PS3 version, I had to ask: am I the only one having the same issue with the 360 version? It first kicked in when I started the shrine clearing quest for one of the Deadra (the name escapes me, looks like a female angel, dislikes undead), about lvl 22. Erased the code, cleared the system etc. On the new code, about lvl 27, kicked in in Windhelm when trying to do the solve the murders quest. I am currently starting a third code, trying to see if it is the missions doing it, the save code length / size, or somthing else.