Niall Harrison has a long piece about Vandana Singh's work, specifically reviewing The Woman Who Thought She Was a Planet but also discussing Distances and Of Love and Other Monsters.
Vandana Singh has an excellent post that includes thoughts on "writing the other" and "mammoth fail" here.
As already noted by Cat Rambo, Eileen Gunn interviews Nisi Shawl at Fantasy Magazine: their discussion ranges from Nisi's work (both fiction and nonfiction), to pie, to Nisi's thoughts on being the first African American to have been awarded the Tiptree (which she has also written about in the latest Aqueduct Gazette (soon to be posted at Aqueduct's site).
Liz Henry reflects on connections between women, inspired by her reading of two Conversation Pieces, My Death and De Secretis Mulierum. (link thanks to Josh Lukin)
Morgan Dhu also writes about My Death (here), Distances (here), and De Secretis Mulierum (here).