So, I'm growing Yellow Plum, this year (from seeds Tormato gave me years ago). I figured I wanted to compare it to Yellow Pear of years past, since I figured it might be tastier, and I heard that it was. What I heard did not prepare me for the result, however! It was absolutely amazing! Hands down one of the best tomatoes I've ever eaten. Super sweet (one of the sweetest I've ever eaten, too) and balanced (with a rich, fruit-candy-like taste). Very flavorful. Like tomato candy. Nothing whatsoever like Yellow Pear, in taste.
Note that I did like Yellow Pear one year, but Yellow Plum this year is nothing like Yellow Pear was either year I tasted it. The first year, Yellow Pear was very astringent and very good in that regard. The year my neighbor grew it, it was mild, sort of sweet, fairly tasteless, and mealy.
If I were to grow one sweet tomato for taste alone, Yellow Plum would probably be it (but I only tasted one fruit, and it hadn't even been ripe very long). Anyway, hopefully the rest of them are tasty like that! I prefer the taste to Juliet F1, Green Tiger, Maglia Rosa, Ron's Carbon Copy, Medovaya Kaplya, Austin's Black Cherry, Brown Berry, Esterina F1, and who knows what else. I like the taste of Juliet F1, and Green Tiger a lot, by the way.
As a side-note, my Ovita tomato hasn't been as tasty this year as it was in 2016, so far. It tastes far more normal. I'm guessing it must have liked growing in a container or something. It has potential, at least, and I would regrow it on account of that, considering how good it was (and its production potential). It's more prolific this year than in 2016. Maybe the plant from the seeds I saved will taste like its parent (the one I tasted was from a store-bought seed). Anyway, super tasty or not, they'll probably make good dehydrated tomatoes.
Location: SW Idaho, USA
USDA hardiness zone: 6
Elevation: 2,260 feet