GPU thoughts?

Just finished upgrading my mid 2011 iMac 21.5 with a Intel Xeon E3-1290(v1), 32 GB of RAM and a Samsung EVO 870 SSD running Sonoma 14.7.1 with OCLP. All working like a charm 👌🏻 I’m hesitant to upgrade my GPU. There are lots of possible candidates out there, have to take total PSU power in to account, the cost and metal support/performance. Any thoughts?