New Box or Rack and pignion

[Yan69]

Good day, im getting into major work on my 69 vert and wondering what you guys think. The steering is really loose, so should i get a new box or swap for a rack and pignion kit? keep in mind that i will be keeping the stock subframe. i"m also wondering if its cheaper to go with an after market subframe with coilovers,new upper and lower C arms and a new direction than purchasing everything separately and keep the stock subframe.
thx for your input, its worth a million bucks.
Yan