Replacement seals for our 30yr old fridge freezer were no longer available, so a new fridge freezer it was. After some research decided on a Liebherr; they got very good reviews and had good specs and energy ratings, all within our price range. We wanted a 50/50 free standing fridge/freezer and chose the CNd5704. It was a little taller than we really wanted, but fitted our requirements in all other respects. We've had it for a week now and are very happy; its very quiet and certainly seems to be using less electricity. I bought the extra 8yr warranty, for peace of mind and also the Wi-Fi adapter (bit of a pain to get connected but eventually managed it). The Wi-Fi is mainly to be alerted to the door being left open (happened a lot with the old F/F), so now get an alert to my phone.
Overall I'm very happy, and would recommend this Fridge Freezer on our current experience; there's no requirement for the Wi-Fi bit if that's not something you'd want, its still an excellent Fridge Freezer.