Almost.
I'm almost to AA only, I'm already at 100% LED lamps, most of my other stuff runs on AA, but I have a few stragglers (a radio and a set of FRS radios) that use AAA and I don't want to replace them just yet.
But with the Lithium cells, I've found that AA's do all that I need. I'm not planning on buying more "D" cells any time soon.