So it's been about 2-1/2 years since this thread, and since then I have acquired that Tech V, and I've occasionally been using it handheld. Here are some handheld shots Weegee-style from the 2004 Halloween parade here in New York--


http://www.echonyc.com/~goldfarb/halloween/


Tech V, cammed 210/5.6 Symmar convertible at f:8, 1/15 sec.
GVI Vari-Strobe on auto, plain 5" reflector, Norman 200C pack
Efke PL 100, EI 200, 4 min. in Acufine at 68 deg. F.