I like phones with character and contrast so I prefer having many excellent phones rather than just one or two superb ones that cost 2 or 3 times as much as excellent phones like HD600s ($220) and MS1s ($99). If I want to listen to a first class phone, I fire up my Lambada Pros.
Headphone Amp Inventory:
Reserve: Presonus HP4, PA2V2, Headphonia (non DAC), Go-Vibe 6, Pany SA-XR55S receiver used only as HP amp
Active: LD 1+, LD MKIV SE, LD MKV, Stax SRM-1/ MK-2, MiniBoX-E+
Reserve: Kodak portable CDP, Sony X222ES CDP, Sony SCD-CE595
Active: Toshiba HD-XA1 used as CD player