According to David Anthony, author of
The horse, the wheel, and language: how Bronze-Age riders from the Eurasian steppes shaped the modern world
, roughly 20% of Scythian graves contain the skeletons of women dressed in traditionally male warrior garb.
I also found this link on Dienekes' blog, reporting the discovery of a "broad-framed" female skeleton armed with a sword in an Iranian bronze age tomb.
Perhaps the feminists at the Valorian Society were correct in ascribing a certain amount of gender egalitarianism to IE populations.
Dithcuth Bronze Age Pervert ; Porkchop Holocaust ; The Truth Society