Several individuals who ordered the Apple TV early have noticed that today (March 12th) their credit cards have been charged the full amount for their Apple TV order. No shipping notices have yet been issued and the "ship date" on the order status page still reflects a March 20th shipping date. A discussion thread at Apple
also reflects these happenings.
Retail Apple stores are expecting their Apple TV shipments by the 20th or 21st for display to the public.
The Apple TV was original scheduled for shipment in February but was delayed