15.5? Holy crap that's huge. I'm intrigued.
Agree on the enameled cast iron ovenwear, it's great. We too have a Le Cresuset 5.7 quart dutch oven, and a knockoff brand 8 quart. After 20 years of owning both, the knockoff is every bit as good as the Le Creuset, and since it's bigger I use it a lot more often. We got it at Marshall's or TJ Maxx or someplace like that, it cost about 1/3 as much as the Le Creuset equivalent.
I have two non-enameled Lodge dutch ovens that are part of my camping gear and I love them both, as well.
The pots and pans I use most are my 10" and 12" cast iron skillets, and then our set of heavy hard-anodized aluminum Calphalon that we received for our wedding 20 years ago.
Non-stick is pretty much crap, the coatings never last more than a year or two and when they start coming apart, well, you have to wonder about what you're ingesting.