Yeast and Flour for Panasonic Bread Maker
Depends on your budget, personally I find bog standard value Tesco strong flour tastes the same as top of the range organic premium stuff.

Yeast I think it probably depends on your recipe, some will use fresh some will use dried instant action. The different brands don't really have any influence. I'm convinced it's all made in the same factory but stuck in different packets.

So... Buy the second cheapest yeast (generally a rule of mine always to buy one better than the cheapest)  and what ever flavour flour you fancy :-). 

Edit:

Also if I remember correctly, you can buy bags of flour mixes designed for tipping into bread makers and just adding water.