Ah chickens

....A few things....
Broilers are significantly less than a year old when they go to slaughter, in fact they are about 6 wks old. So every 6 wks you have a new flock.
There is a world of difference between a laying bird and a meat type, they don't even look the same
The Cornish games hens you see in the meat section at the store, that is just a broiler slaughtered before 6 wks.
Chickens lay eggs based on photostimulation, you need a certain light intensity for a certain number of hours, in the summer time the day increases, they lay eggs as the days shorten they stop laying
After laying hens in a commercial setting are taken out of production they are called spent hens, they go to slaughter, there is nothing wrong with the meat, it isn't tougher, as already pointed out there just isn't enough there. Usually it ends up in thing like chicken noodle or chicken with rice soup.
Hens are quite efficient at incorporating what is in their diet into the eggs they lay, for example you can change the omega 3 fatty acid profile of eggs by feeding flax seed or fish meal, I mention this because if you free range hens the eggs will be different than what you buy at the store. Usually if they can forage the yolk will be much brighter yellow and in some case more pungent in taste. Doesn't really matter if you mix it with some chorizo on a good flour tortilla, haha
When it comes to broilers there are regional preferences, here in Texas when we go buy a chicken to roast we prefer a white fleshed bird, not so in parts of the east coast, they prefer a more orange/yellow fleshed bird, so what is one to do? Easy, incorporate crushed Marigold meal (yes as in the flower) into the feed. That changes the skin pigmentation
You are going to hear everyone tell you that brown eggs are healthier than white eggs, they are not, except for one pigment they are exactly the same
I suggest for those able to do it have fun with it, go to Ideal Hatchery website and order a variety, there are other hatchery that mail order, Ideal is just one I'm familiar with and it is here in Texas. If you truly care about egg production then go with the Leghorns, they come in a variety of colors. I think for raising at home you should enjoy them, get a variety, crested chicken (some have feather on their heads, on their legs, some even have feather that make them look like they have a beard) different types of combs, different colored plumage, etc. they are all going to lay eggs.
Thumbs up for the chicken discussion!

haha