Well, you have very good stuff that seems well matched and you like what you hear, but want more it seems.
So no apparent reason to make any major change. Rather refine and maybe expand what you have, if you must.
Power conditioning on digital source gear and pre-amp usually only helps so that might be worth considering. No need to break the bank on that. I have a basic $200 monster strip that delivered improvement over nothing in my case. I like the Furman brand though and that is where I would look for something a bit more extensive if it were me.
Adding a sub or two is a good way to extend, but only if done well to properly blend in with the rest.
You have a very good amp. Is the system effortless at higher volumes, if that is of any concern? If not, more watts and current might so some good things. How about trying a pair of good 500w/ch Class D amps? They may or may not sound better to you, so only go there if you have an out just in case.
So no apparent reason to make any major change. Rather refine and maybe expand what you have, if you must.
Power conditioning on digital source gear and pre-amp usually only helps so that might be worth considering. No need to break the bank on that. I have a basic $200 monster strip that delivered improvement over nothing in my case. I like the Furman brand though and that is where I would look for something a bit more extensive if it were me.
Adding a sub or two is a good way to extend, but only if done well to properly blend in with the rest.
You have a very good amp. Is the system effortless at higher volumes, if that is of any concern? If not, more watts and current might so some good things. How about trying a pair of good 500w/ch Class D amps? They may or may not sound better to you, so only go there if you have an out just in case.