Where in Seattle is a good place to hold a fund raiser?

I'm on a team to do the 3-day breast cancer walk this year and we want to hold a silent auction fund raiser. Any ideas on where in the "closer to downtown the better" Seattle area??Where in Seattle is a good place to hold a fund raiser?
Civic Center

Any Salvation Army ChurchWhere in Seattle is a good place to hold a fund raiser?
Did you try the science museum downtown there? The one that the Dead Sea Scrolls were at a few months ago. They have conference areas and such for booking big groups.