Portland has several shows throughout the year, and while here, you might consider visiting The Motherland - Fabric Depot.
Northwest Quilters - March 29 - 31http://www.northwestquilters.org/shows/2012/2012.php
This is a smaller show, but it's part of a "show hop"; you collect stamps from quilt shows in the area and enter to win prizes. More info about the hop and locations here:
http://www.northwestquilters.org/sho...12.php#ShowHop
NW Quilting Expo - Sept 19 - 21
http://www.nwquiltingexpo.com/
Pacific NW Quilt Festival (MQX West) - Oct 9 - 12, this is a MUST GO if you want to increase your quilting skills, they have wonderful classes.
http://www.mqxshow.com/MQX/West/Home/index.cfm
And last but not least, Fabric Depot:
www.fabricdepot.com
Portland also has many excellent quilt shops scattered about, PM me if you'd like info/locations.