The baxi platinum is a great boiler ones I fitted years ago are still like new.
Not a big fan of ideal. Vaillant I had so many problems with the pumps packing up diverter leaking and pressure sensors playing up that I got put off them and tried baxi been with them ever since.
It is each to their own though ask 10 people get all sorts of answers.
What's your flow rate like as a lot of people ask me for a 40kw but they only have the flow rate for a 33kw.