PDXLAN does have a small block of rooms at the Holiday Inn Express. The PDXLAN staff also stays at this location. There is a Pool, Spa, Breakfast Buffet with room, and friendly customer service.
If you do call them for a room, be sure to ask if there is room in the PDXLAN room block.
Holiday Inn Express
13101 NE 27th Ave, Vancouver, WA 98686