As a ex audio dealer ,that is not a sound request , for many reasons
separate allow much better isolation power supplies, digital separate streamer,dacs
for digital has advanced a lot ,innuos has very good entry level SS HD,streamer
with excellent interface , you can add the LPS later , the T+A A200 dac-Preamp
which has excellent galvanic isolation in every area dac as good as Anything up to $15k+ the preamp is a excellent class A discreet type in the$5-6k class pick a decent power amp, Coda very good with discounts $5k as a example .
my point separates give you future flexibility.