Half an hour $3 train ride from the airport - the Chinatown station is literally across the street. Plenty of homeless about, but I'm used to that in Oakland. Fuji Bakery around the block was great for pastries and latte in the morning. Short walk to Pioneer Square which has a few attractions; I also found Taylor Shellfish Oyster Bar which was great. Maybe a 20 minute walk to Pike Place. Grab some Storyville latte along the way. About the same walking distance to the convention center - I went for PAX.
Mike was friendly and quite available as a host. The space is reasonably clean and pretty chill; and the AC keeps it literally cool. The listing description is pretty accurate so you know what you're getting (value). There's a shared closet for storage, which I used for changing as well. WiFi was fine. You might want to bring a power strip if you have more than a phone to charge.