My current Headphone combo is
Oppo BDP 95 (Digital Source) -> Decware CSP2+ (Headphone Amp) -> Beyerdynamic DT880 (600 Ohms).
With the right valves in the CSP2+, this combination puts me in audio nirvana everytime!
Vinyls: Technics SL1210M5G with AT33PTG/II
CD/SACDs: OPPO BDP-95 Blu-ray Player
Phono Stage: Jasmine LP2.0MKII
Speaker Amp: Yarland FV34A-EU-IV Amplifier (NOS Mullard Xf2 EL34 Tubes)
Speakers: Alesis Monitor One MKII Passive
Headphone Amp / Pre Amp: Decware CSP2+ (NOS Amperex Pinched Waist 6922 Tubes)
Headphones: Beyerdynamic Tesla T1 (600 OHMs)
KIA Speaker Amp: Neuhaus Laboratories T-2 Amplifier (Blew itself up after 3 months)