Looking at you system, I suspect that your Wilsons are not optimally set in the room. With the proper set they'll sound much more dynamic and stress free. You seem to have enough power to drive them, but the any flaws in the set will prevent you from enjoying their potential.
See my Review of the Sumiko Master Set. for a hint at what potential can be unlocked.
Dave
See my Review of the Sumiko Master Set. for a hint at what potential can be unlocked.
Dave