Old file, back from when I was figuring out Ryst's (and female Elites in general) build. The top two rows compare my two favorite takes on the Elite's build--Reach and Halo CE. Reach because there's much more attention to musculature, and they look powerful, monstrous, and intimidating; CE because they look refined, dignified, and intelligent.
The very bottom row is the build I settled on for Ryst (which is my standard for female Elites) compared to Fallout. She's got the overall build of a CE Elite with anatomical structure (most noticeably in the legs) of the Reach Elites.
For males, I still work entirely from the Reach build.
Art is mine.
Halo/Elites/Sangheili (c) 343i, formerly Bungie.