Disc break conversion kits?
http://www.forabodiesonly.com/mopar/showthread.php?t=321567
This brake set up of mine sold within 4 days of me listing it.
I'm currently finishing up another set up, and will be listing it, here, shortly.
Might be cheaper, as i have as yet to tally up the parts cost that I'm into it.
Contact me through a pm, if you might be interested.