Keep in mind when we talk about ideals for rabbit diets we are looking at their whole diet. So yes, if one pellet is slightly lower fibre you can balance that out by feeding less pellets and more hay. It helps a lot to start with a good dry food, but you'll still need to tweak for you individual rabbit because what they need is going to vary depending on things like neutered, age, exercise level, health, time of year etc.
There probably isn't much between the top few dry food brands, so pick what suits your rabbit. Hopefully the chart helps you work out which are pretty good and which you could do a lot better than