Great location and helpful staff
We stayed here for 3 nights as we went to the Rush concert at the Key Arena (excellent concert, by the way). The location was perfect (contrary to other reviews, we did not have trouble finding this) and we had an excellent view of the space needle from our 4th floor room. Yes, it's an older hotel in need of some renos, and I understand they are working on it. The room had plenty of space and everything worked well. Our main issue was the noise coming from the guests next door - one night is was a child being loud and the next someone was talking loud until about 2 in the morning. This may have been because it was an adjoining room (so next time I would request a room that does not have a connecting door - lesson learned there). The breakfast was better than many you get in Best Westerns - and there is plenty of choice so as not to get bored over a few days' stay. The food in the restaurant in the evening was rather bland so we only ate there once. 
It is nice to have a fridge and microwave in the room as I always ask for a fridge at least. 
The staff at the hotel were always polite and friendly even when they had a line up of guests waiting to be seen. I am also impressed that the manager sees and responds to all of these reviews, so no doubt he will comment below. 
Some suggestions for the future in a BW Plus: have proper glasses and mugs as well as the disposable options (I have seen the reports of how these are cleaned in some places, so guests can wash their own). Also, think about advising guests if their room has a connecting door to the next room, so we can decide whether to stay in that room or not.