Restore or Modernize

[NICK3757]

I need help! Should i restore my truck or modernize it. It has 39,300 miles on the clock that are actual miles and runs good. But it needs valve seals and it is a pain driving it in the city. Right now it has non-power drum brakes, non-power steering, 307, and a 3 speed on the column. I do have a brand new 305 that i was going to use in another project but that got a big block. Should i keep the 307 or put in the 305 with a fully powdercoated tpi setup, a 700r4, p/s, p/b, p/w, shaved doors, slammed w/5 lug wheels, maybe 18's, and a new cd player in the dash. So. what do ya'll think?