Here is a description of Reliance peach from Gurneys 2006 catalog:
Known for its hardiness. Plump, golden fruits are medium size with a red
blush. Now considered primarily a canning variety. Newer varieties, such as
CONTENDER, equal it in hardiness and have much improved flavor.
Does anyone here have any experience with the newer varieties that are equal
to Reliance in hardiness and have much improved flavor?