In absence of a blu-ray, at least there is now the soundtrack on vinyl
let's face it. half of what makes this movie brilliant is Martinez' score, which you can now buy on glorious VINYL: http://invadarecords.bigcartel.com/product/solaris-original-music-by-cliff-martinez-picture-disc-vinyl-lp
I have the non-pic disc version: http://www.discogs.com/Cliff-Martinez-Solaris-Original-Motion-Picture-Score/release/5154739