Crickets make horrible feeders, messy, noisy, smelly. Roaches on the other hand... great feeders (more meat to shell ratio and can be feed at any size cause, and you don't have to worry about them bitting), once you get over the "man i have a bin full of roaches in my house" thought, its kinda neat they have some really cool colorations on some of them, and will breed prolificaly. and you dont have to really clean out the Cage cause the young roaches will eat most of it (of course it does get to a point.
But what I suggest doing is if you are using egg crates put egg crates to fill maybe half of the cage, (so half of the cage has egg crates). Then when you want to clean it out, just take a wet rag, or something scoop out the dead crickets, then wipe it down (or clean it how ever you need to) just no chemicals. Then switch the egg crates to the other side, and then clean the dirty half and just leave the egg flats on the one side. Thats how I did it with my roaches. Though Some people use Cork Board and use like a long metal bolt, get some nuts, make it so you can put the bolts through the cork board, and then make enough space between each cork board. Really easy, and you can pick it up no problem to clean around the cage.
Just my 2cents.