It was quite a hard decision as all the information online about Ideal boilers was quite negative but it seems that the Logic Plus combi boiler is a very different design and far more reliable than older ones that have some serious problems and issues.
The old boiler was a Vokera Compact HE that had been exceptionally unreliable over the last 5 years and was very costly to repair with parts taking days to arrive. I'm hoping that the Ideal Logic Plus boiler will have much better parts availability should any faults arise as it's a UK company.
So far the installation went smoothly and was completed within a day by 2 gas safe plumbers. The Ideal Logic Plus has the option for a wireless thermostat controller which I chose and so far it seems to warm the house much more effectively as well as giving better water pressure than the old boiler.
I'll try to update this with more details as the time goes on and record any issues with the Logic Plus boiler that we experience but fingers crossed that won't be for a few years yet!
The Ideal Logic boiler comes with a service pack to record details of the services carried out alongside the instruction and installation manuals.