@tomd51
Sometimes the itch is just there and you are doomed to upgrade"
The itch to upgrade is a plague in our hobby. The plague never goes away because places like the AH make sure it never goes away and in fact they fan the flames. Nobody gets advice that says "nah, do nothing it will be better than buying something". Nobody ever hears that advice even if it was given.
While I did have an affinity for my VR3s, particularly the VR tweeters, I did find the VR3s started to lose their composure at reference level
Dude, I often lose my composure when listening at reference level to a song.
I will say the clarity and sound stage of the VS336s are excellent, but part of me feels the upper range is ever so slightly recessed,
The older I get the more "slightly recessed" the upper ranges get. I'm told by young whippersnappers (and by audio researchers) that the upper registers are the province of young ears. I know I don't hear in the upper registers as well as younger ears might, but it does not dampen my enthusiasm for music and listening. One thing on the positive side is that investing thousands in the latest tweeter technology is probably something I don't have to do anymore. For me, if its above 15K, I aint hearing it at all. So "recessed" might just be 100% ok with me.
YMMV and caveats and all to your own personal tastes.
If you've been bitten by the upgrade bug you may be "doomed" to upgrade. Enjoy the crap out of it! Its awesome to buy new stuff