Definitely go 5' wide!!! Unless you are single or want to be?????
And yes you have great visual taste, as you have chosen some great looking Teardrops.
One of which pictured is "Sunflower" owned by Kristina (she has her own blog "Tiny Yellow Trailer" check it out.....lots of great information there too!
Good Roads
Brian & Sandi
PS
Those 1958 Pontiac Rockets on that one beautiful trailer are hard to come by an definitely not cheap!