Whoops! The intention was that dwarves get a standard +2 to Strength, due to being compactly built for physical power, hence also being Small with Powerful Build.
Thanks for spotting that and I'm glad you like them. I intend to put up fluff soon. Giants will likely not be otherwise common in my setting, though Jotun might get a PrC that increases their size.
Now it's just time to stat up the remaining races.
And yep, that they do! I dug through my Homebrew Tier Compendium to find some fitting ones, and that one seemed to fit for them. I'm not sure what I'll do with favoured classes, but I have some very minor ideas.