Jadis JA 80 or DA88S -'to be or not to be'

I am planning to buy Jadis JA 80 or DA88S in one or two weeks. Can You help me which one to choose. I have newest dCS Puccini which has preamplifier built-in. I have listened to JA80 (controlled by dCS) and DA88 in dealer and I had an impression that JA-80 is more spacious, more natural but ad home I have only listened to DA88. Is it true that monoblock has 3D soundstage (it is very important for me) ? And what about cables ? I am thinking about higher level cables of Tara Labs (0,8 Onboard ?), Audioquest (Sky ?). Stereovox (SEI600?), Siltech or Fadel Art (Coherence ?). Is this true that silver cables better sound with tubes than copper.

Thanks for good people help
Darek, Poland