Something else I found out in all this was that my Roboduino "Arduino Duemilanove Compatible" units are stuffed with ATmega328 devices, not -328P, and to ICSP them will require modifying the scripts avrdude.conf1 (which is a pain to go back and forth with).
Caveat Emptor!
1 where standard/328P "signature = 0x1e 0x95 0x0f", 'non-standard'/328 "signature = 0x1e 0x95 0x14"