Ayre owners and preamp options: seeking advice


I bought a new Ayre VX-5 twenty a while back and have it paired with the Ayre K-5xeMP pre.  Was contemplating updating my pre which is currently fed by a phono pre (Ayre) and a DAC, both balanced inputs.  Has anyone modded a k-5xemp with a few select parts and improved it?  Alternatively, has anyone added a tube pre to their Ayre amp?  Which ones mate well?  Lastly, upgrading to their new KX-5 twenty would be an obvious choice but I'm not yet ready to make that investment.  Thoughts?
jc4659
I agree with Randy-11 et al.   All my elecronics are Ayre...they all work well together, are ultra reliable, backed by Ayre's great service department and sound great......what more could you want...
...what more could you want...

More Ayre, of course!
 Done with room and system tweaks. The suggestion to look at new DACs is reasonable too. But I'd want something with an upgrade path. 
I agree with Randy and Stringreen. Ayre will do it right, should you want to upgrade. 
Regarding upgrading your DAC, why not get a Codex? It must be the best buy of the decade.
The only other comparably priced DAC is the Schiit Gungnir of Yggy, both are upgradable.
Bob
Ayre announced a new DAC at Munich - it has a 100W amp built in

may not be an upgrade for you

and here is something on a dealer's page:
http://ciamara.com/new-ayre-8-series-components-coming-fall/

I haven't seen anything on the 5 series
Now that new 8 series looks interesting.  I will also look at the codex specs again.  It has received a lot of positive reviews.  My current dac receives a USB input from my Mac Pro as well as an optical input from an older meridian CD player which I use as a transport.  I should try a newer dac  and see where that brings me.  If not a big change then I will very likely just get a new Ayre pre.  I really do love the Ayre stuff.  It's built well,  reliable and musical.  I'll probably die before it does.  thank you all for the helpful suggestions!