Need advise for my current system.......

I'm planning to upgrade my system, but which one I have to let go or I have to keep .........
cause, I don't have many chances to listen another gears.
I'm more toward to digital harsh and high than analog smooth.
Thanks for the advise guys!!

Meridian 518(preamp),
meridian 500(transport),
Theta Pro Basic IIIa(D/A)
Acurus amp
B&W Speaker series 500(I really don't have any idea what series is this, got them from Grandmom)