Depends on how much money you are willing spend. Over priced rent-to-own tools and 20%+ financing and waiting a week to get stuff "repaired".... find a tool truck.
Internet based tools are a good option like Tekton, Sunex etc. but the warranty process is labor intensive. I would just do the...
Keeping those legacy sets seem important to you, then spend the money on scouring the internet to find the missing pieces instead of those magnetic organizers which do skip sizes (in my case 11/32 on 3/8 dr.). You can get cheap socket rails at Harbor Freight for a dollar.
Giving this forum a try....
My old Craftsman tool box that I purchased at a swap-meet in 1997 while working at B/E Aerospace. All the Craftsman tools I purchased new at Sears the same year.