I've updated the OP with several more showcases that have been announced in recent days. Still no date for the Nintendo Direct and nothing from PlayStation yet.
VGChartz Sales Analyst and Writer - William D'Angelo - I stream on Twitch and have my own YouTube. Follow me on Twitter @TrunksWD.
Writer of the Sales Comparison | Weekly Hardware Breakdown | Top 10 | Weekly Sales Analysis | Marketshare Features, as well as daily news on the Video Game Industry.