Best Subframe (IMO) - the 21st Century deal, a close second is Wayne Due
Best Subframe on a budget.. modified stock
"for the money" is such a relative term.. for the lowbuck approach you can't beat a well done stocker.. If you take $$$ out of the equation then see my first comment.
Also, there are several new front subs on the horizon from DSE, lateral dynamics and more.. but for now my statement stands