(He actually asked about the last 10 years, but I don’t want to be that restrictive…yet. Just in case anyone wants to toss in an Edmond Hamilton novel.)
What a great topic! However, I could use some help in compiling the list of choices…
By way of clarification, I’ll point you to my review of The Space Opera Renaissance edited by David G. Hartwell & Kathryn Cramer where I say that the definition of space opera is quite large. Feel free to use your own definition.