Rockshox Reba’s would be my suggestion: reliable, decent performance, not too heavy, home servicable, lot and lots of options to choose from & comes with pushloc/poploc type lockout/anti-bob system.
They can be adjusted from 85-100-115mm travel (older models) or 80-100-120mm on the newer ones – so can be tuned to your bikes travel requirements.
You’ll be looking from £120 upwards for a decent set 2nd hand, older ones lack the (2009[?]) power bugle (nice but not essential), Team’s (pre name change) with the Black box damping cost more… a maxled version 120mm would be nice but isn’t essential.