300b INTEGRATED AMP Suggestions

This will be my first post here but I have enjoyed advice from this site for quite some time.  

After living for many years with the Rogue Cronus Magnum I am interested in downsizing a bit to a smaller, more finessed system built around a 300B integrated amp.  I am intrigued by what I have read about SET amps and given my small room and musical preferences I think this could be a fun switch.  I have been looking at the Cary CAD-300sei amp and am leaning that direction but wanted to put this out there to see what comes back before I jump.  (I like the reviews and the positivity around Line Magnetic as well, however I'd like to stay away from the 845 tubes for heat reasons)  My musical preference is generally around folk, singer/songwriter, jazz etc but not limited to.  My budget is around 5k new or used.

I know speakers are a huge part of this equation as well.  I currently have some KEF r5 speakers that I would likely be looking to replace with something from Zu's line depending on where I end up with an amp decision. 

I'd love to get any recommendations.