My Current Collection

Sennheisers
HD414 50th Anniversary Edition - When I want to relax. My wife’s favorite headphones.
HD280Pro - For location recording
HD598cs - Bedside headphones for when the neighbors are having a videoke party.
HD58x Jubilee - For casual listening at my workstation
HD25sp - When its hot but I need a closed set
HD650 - For checking mixes
IE40Pro - Used with my wireless IEM system

Others
ATH-M70x - Was supposed to replace my broken HD380Pro, but it is too strident. So it’s waiting for someone to buy it from me
Koss Pro4aa - For analytical listening when it's cold (it's hot) and/or raining (it's closed).

Processor
Sonarworks SoundID Reference - for EQing headphones and monitors on my MacBook Pro