Have been a fan since 1e, still have all the 1e/2e/3e books, and have most of the PDFs via bundles for 4e/5e/6e. The setting for me is 1e-3e, I didn't like the direction 4e-6e took the setting into. So whatever the system is, I'll always play the 2050-2070 era.
But, from my perspective SR...