Keep the 780Ti in a box in the closet even if you won't use it anymore. This is a legendary card. It's the last card before NVIDIA began requiring signed GPU Firmware.
dio wroteWhat about the Founder's Edition?
Go for the RTX 2080 ROG Asus mate available here or the Gigabyte Arous Xtreme RTX 2080. Both are much better thab the FE Edition

Cooling
Custom PCBs
Higher Power Limits
More Voltage Phases