my portable rig(s):

clockwise from the top:
1: grado sr-125
2: koss ksc-35
3: etymotic er-6
4: sony d-777 pcdp
5: sony mz-r50 md recorder
6: sony mz-r70 md recorder
7: sony d-66 eggos
8: jmt cha47 amp
9: jmt meta42 amp
10: sony dd9 quartz walkman
cables shown are markertec and straightwire.
i ususally rotate between these goodies for my portable rig.