The New Space Opera ("All new stories of science fiction adventure"), edited by Gardner Dozois and Jonathan Strahan, is $1.99 at Amazon US and Kobo US.
First published in 2007, it contains the following stories, ten of which "were selected for the
Locus recommended reading list for 2007" (Wikipedia):
Gwyneth Jones: "Saving Tiamaat"
Ian McDonald: "Verthandi's Ring"
Robert Reed: "Hatch"
Paul J. McAuley: "Winning Peace"
Greg Egan: "Glory"
Kage Baker: "Maelstrom"
Peter F. Hamilton: "Blessed by an Angel"
Ken MacLeod: "Who's Afraid of Wolf 359?"
Tony Daniel: "The Valley of the Gardens"
James Patrick Kelly: "Dividing the Sustain"
Alastair Reynolds: "Minla's Flowers"
Mary Rosenblum: "Splinters of Glass"
Stephen Baxter: "Remembrance"
Robert Silverberg: "The Emperor and the Maula"
Gregory Benford: "The Worm Turns"
Walter Jon Williams: "Send Them Flowers"
Nancy Kress: "Art of War"
Dan Simmons: "Muse of Fire"
https://www.amazon.com/New-Space-Ope.../dp/B01BKD8YJE
https://www.kobo.com/us/en/ebook/the-new-space-opera-7