Dr. Wyches Yellow is one of those 80-day varieties that I have avoided since that 1 foray into the class with Box Car Willy about 10 years ago. The BCW plants produced no more than 1 ripe tomato per plant. I think I had 5 so there were 5 tomatoes

.
Jaune Flamme was one of those tempting catalog offerings but seed sources had it listed as 70-80 days. It took me about 4 years of "wishing" before I had enuf courage to try it. By the way, it is very much a 70-day tomato

. Cherokee Purple is sometimes listed as 80-days, sometimes 75-days. That 75-days is just about my boundary. That number still makes me hesitate and I really want to see fewer days so the beefsteak row is filled with Big Beef at 72-days and Goliath at 65-days.
I fully comprehend the unreliability of the weather to cooperate in these days-to-maturity and the seed companies to provide these ratings. I mean, Husky Red Cherry is
supposed to be a 65-day variety but my plants produced not 1 red fruit until just about 1 week before frost. And Health Kick got booted!! That 72-day tomato never ripened right up until the night of frost.
And the weather -- shoot! One August the patch will be unloading all month! Then in a year like this one, I won't really have a beefsteak harvest until September shows up. Imagine my disappointment when we had a year like 1995, I believe it was, when frost showed up in August :/!
So, I
play it safe and usually have reasonable harvests. Really, when you come right down to it, there are many, many varieties that are below 72-days.
I like the taste of just about all tomatoes. Trying to keep DW happy with some mild tomatoes and to not have to grow very unproductive Orange Minsk more than a year or 2 . . . I did try to come up with some yellows and oranges this season. Woodle Orange came thru well but a lot of the fruits are kind of
woodle 
. I was deeply suspicious of the Kellogg's Breakfast seed sent to me by a friend but gave them a go. Maybe it was the strain that he had but they did real well at ripening

. I will grow those 2 again.
The big surprise after a bad review by a local gardener from 2010 and taking forever (!) to set fruit in our cool year - was Dagma's Perfection. I had lots of those!! They are an ivory yellow with a light blush on the blossom end - kind of unusual in appearance but pretty. They are definitely coming back

!
Steve