I live in Portland, OR. Rainy city.
I will be expanding the deck at my house and in the process, I'm thinking I might upgrade to something nicer than pressure treated doug fir.
I have a cousin that put in a Mahogany deck last year and it's really nice. The color and color variation really appeal to me. At the same time, my dentist told me about how he used IPE at his house and while it sounds like a pain to install, maintenance sounds to be a breeze, ie non-existent.
If I want a long lasting, deck, that requires minimal sealing and such while still looking nice, what do you recommend?