So, it's not local, but if you're up in Portland, take the trip over the river into Vancouver and go to US Cylinder Services (1204 West 17th Street). Hydros are $20, reg removal is like $5 (I think?), and they'll usually do them while you wait. I had a couple of tanks done the day before SG 45 started last year, and one of the Moongobie Bros. came in with three or four tanks too.
You gas up the marker, put on the mask, and walk onto the field. It doesn't matter that you failed a test, your girlfriend broke up with you the night before, or that you just had a bad day at work. This is your heaven on earth. Live it and play it as if there was no tomorrow.
(stolen with permission from theblackoutsavage)