Your best bet is to call every LBS until you get a hit. With companies like Specialized, their website will show out of stock first, but some units might still be available at retailers. Once the retailers are OOS, they won’t be able to get any more either.
The COVID-19 quarantine has created a unique situation with the cycling industry. Salaried folks working at home have had uninterrupted income but more free cash due to restaurant and bar closures. Here the states, some furloughed hourly employees are making MORE money sitting at home than they did working, thanks to a 120% increase in unemployment benefits. Meanwhile, with gym closures, people are itching to exercise, and the bike is one of the best ways to do it in solitude.
While some people are barely scraping by, others are seeing record-high balances in their bank accounts. With all this extra money on hand and nothing to do, it’s not hard to see why even S-works models are going out of stock.