All I can do is echo the sentiments of those before me; Welcome to the forum, and what a great system! No starting off at the bottom with some old 2nd hand bits!

We are currently mid renovations too, so if your experiences match ours, you have my sympathy!

Enjoy.

Cinema: Meridian 271, 3 x DSP640 (behind screen), 4 x DSP320 (in-ceiling), 4 x DSP3100 (surrounds), 2 x AC12 (interface). 2 x Perlisten D12s subs, Lyngdorf MP40 processor. DT 145" 2.35 AT screen. Sony VW870 projector & S-T lens, Lumagen Radiance Pro.
Lounge: Roon, NUC, Kef LS50 Wireless + 2 x REL Gibraltar-2 subs

Meridian owner since 1998