When it comes to growing (and storing) good crops of apples, Eric (Palustris) is the man
I have a few favourites, and Sunset is one, as its bred from Cox.
Cox IS my favourite apple, but I read that its "difficult" to grow here in Ireland.
Other favourites in my garden are Lord Lambourne and James Grieve.
Its a matter of preferred flavour as to what one should grow.
I don't like Golden Delicious and the ones above are unlike them. Used to like Granny Smiths, but they can vary from too green to too ripe. In between they are OK for me - on the green side
In the supermarkets my preferences are 1) Cox and 2) Braeburn