Almost ready to paint. 1970 Dodge dart

I have a 1970 Dodge dart swinger that I want to get painted. More than one body person has suggested that I replace the hood and trunk in total. I am having no luck finding replacement parts for these items? Any feedback would be appreciated - also, Would it be worth having the rust removed by taking off the bracing and then re-welding/glueing The skin back on? Thanks in advance Hambony58