I got this one about 6 months ago and love it, but it's currently out of stock and it's a generic knockoff dehydrator so I can't say whether it'll last as long as an Excalibur or whether the company will honor the warranty. On the other hand, it's very simple to take apart - I could probably fix it myself with generic parts if it broke.
All stainless steel top to bottom, 1000W, ten large wire trays (12x15 I think), drip tray, glass window, timer, can go 85-195°F, came with an adorable little recipe book in broken but understandable English and even a few spare parts. They later sent me 5 silicone mats that are good for herbs, but not fruit leather. Not the thickest steel, feels like it could be dented if moved roughly. But I'm very pleased with it so far and it's gotten some heavy use in the last 6 months. Made killer jerky. If that company has other dehydrators still available on their page or restocks, I'd recommend it. Sounds like you had the same basic criteria I had when I was looking for a dehydrator.