I used to live in Seattle, now I live in an adjacent city. Property is expensive inside the city limits.
The weather is fairly moderate. Many natives will tell you it rains all the time, it's not true, we just say that to keep the Kalifornians away.
If you like outdoor activities there are many places to go to hike, ski, mountain climb, mountain bike, bicycle, kayak, canoe,run, jog, walk, rollerblade, fish, etc. The only thing I would say is lacking is a big beach. The only "beach" around is Alki Beach which is only about a mile long. However if you like to scuba dive head there and look for the sharks. If you would rather eat the seafood rather than it eating you drop by Salty's Restaurant next to the beach. The food there is pretty good.
The people are pretty laid back and easy going, save for the yuppy types. Look east across Lake Washington if you like yuppies.

Depending on where you live you can find all kinds of people here. Seattle and the adjacent towns and cities are home to very rustic types all the way to the rich and famous. Bill Gates for instance lives in Medina just east of Seattle. Head a little further east and you will find cows and horses.
Many kinds of jobs are available. Not as many right now given the current state of the economy. I would venture to say that we are not much worse off than the rest of the country
Traffic is a growing concern here. It has gotten progressively worse over the years. Get a stereo for your car and bring a latte or three to sip during rush hour.
Overall I would say that I like it. It's not as much of a rat race here as it is living in other parts of the country.
Lastly, if you want to spot an out of towner look for anyone using or carrying an umbrella.