I think it may depend a lot on the type of electronics/amplification you have. I am biased here, but the B&W 805 bookshelf speakers have incredible amounts of bass/punch/body for the size. -- given that you have a good high current amplifier driving them. They have been around for several generations of versions (I have Diamond gen 2). I don’t know how asthetic you need, but they can be found with rosenut or cherry finish. The piano black is very nice, but the flat black is not so much.
This question of "what speaker" is likely to spawn a million opinions :). To be honest, there may be several choices that are nice.