MBL DAC 1611F Vs Any recommendation

[bengal_finch]

i am using MBL 1621A transport with Bricasti M1 and SIM 650D. Now recently listed to Gryphon Kalliope DAC twice on two different place feed with Redbook CD through Esoteric k01x and k03x respectfully. Also experienced Aurender N100 streamer in one place. i just Blown away with its analog presentation and i got admit, Kalliope show me how to enjoy soft copy/ digital music.

Now i am planning to UPGRADE, should i go for MBL 1611F or Kalliope? since till now beside the MBL speaker nothing dissapoints me. in my MBL reference rig the best component is MBL6010D, i got the maximum thrust after acquire it. please note i built my rid by purchasing component one by one. here is the brief description, started with one MBL 9007

MBL 9007 stereo
MBL1621A
Bricasti M1
MBL 5011
MBL 9007 mono
SIM Moon 650D
Siltech Prince (speaker cable)
Sim 820S
MBL 9008A mono (upgraded from MBL 9007 MONO)
Purchased full loom of Siltech (golden eagle 2 75, queen XLR and RCA, Ruby Hill 2, Ruby Mountain 2 for power amp)
MBL 6010D

polkaudio tsi 400 > polk audio TSI 500 > Dynaudio Contour s5.4 > Paradigm ref studio 100 V5 (NOW) > Gryphon Pantheon ( order placed )