So... is that stuff still relevant? Yeah. We have 2 new master recipe books for SB(master 5 and 6), specialization still offers benefits that are relevant at 70(plus some new benefits too), and red and yellow scrips are still the primary crafting currency. Learning how all that works(along with custom deliveries and collectables in general) is something everyone has to do at some point. As for the level 60 gear, if its cheap go ahead and pick some up but we mostly recommend people push through to 61 and then upgrade to THAT set instead(its much cheaper to make then the ironworks and gives you stats roughly equal to the un-augmented scrip set). As for finishing off that level you have a few options. Doing provisioning missions for your grand company is the most efficient, collectables are an ok option, you can still get a little mileage from your beast tribes(moogle for now), and maybe some leves or general crafting. Best of luck!