Colonel your system is well thought out however, think about dropping down to smaller sub (10s or 12s if using two or one 13 sub) and investing in room treatments and excellent cables.
Details help bring the system together. Those small details can be made with better cables and room treatments.
Like Dynaudio 160 but there is no shortage of tough rivals. Check these brands out:
Focal 1008 Be
Totem Acoustic Mani-2 Signature