Seems the disc brake conversion kits out on the market are running for around $800 or so. I'm wondering If theres a cheaper alternative using 64 or 5 spindles and rotors as opposed to the factory drums up front.
Ouch... just saw a kit for a non power disc brake set up for the 60-4 or so for $1200
http://www.mpbrakes.com/db1533m.htm