It is clear that you know your stuff. :)
As of 1/05, the 2500 mAh Energizer AA was the exact same cell as the Sanyo HR-3U (white and orange label). The HR-3U is labeled 2500 mAh as well, but in very fine print, "typical 2500 mAh, minimum 2300 mAh." I also have OEM Sanyos with tabs that are...