Navlys--They are easier to clean than the metal ones. I still spray them with oven spray. My husband usually washes them, and I've heard less complaining, although he still has to get around the edges. If he would let them soak in hot soapy water, I think clean-up would be quick.
What I bought are two rectangular ones. Oxo features them for bacon, but I've used them for chicken pieces and also under a turkey. I bought a round one as well that should work well with a roast or a whole chicken.