Time to buy a lead pot and molds.
Alternately, don't despair and start calling around. I can vouch for SNSCasting.com having 32s as of a week ago and I suspect there are other smaller casting houses that still have stock.
Thanks for the tip. SNS had some .313 100 grn in stock and I order 500. We'll see how they work. I've been looking for 3 weeks and hit about 3 of my regular casters with no luck.