Just to add some clarity to a point made earlier, stating the 250 Pro is not sold separately. The 250 Pro is indeed absent from Devialet's website, but it does still exist as a separate model. List price in the UK is £12,490 for the master and £11,490 for a companion.
1000 Pro - KEF Blade - iFi Zen Stream - Mutec REF10 - MC3+USB - Pro-Ject Signature 12