Unless things have changed, Amps tooling is, in many cases prohibitively expensive. They do not sell the crimper, they only rent it.
I understand the problems ascribed to Ideal 65s, but I have used them and am comfortable with the result.
JMichael,
Are you sure you are not confusing tinned copper with aluminum? All aluminum branch ckt. wiring I have encountered was manufactured during the 60s & early 70s and resembles present-day NM cable.

[This message has been edited by Redsy (edited 03-22-2002).]