I disagree. The packs provide everything you need, and offer a substantial saving. You probably save enough to make up for the fact that you may well end up replacing some of the stuff. But at least you'll have all you need, and at the start you can't possibly know what sort of kneeboard etc you'll end up preferring. And if/when you replace stuff, sell the old ones on Ebay, and you'll get good prices for them.