Five months (!) after the GH2 announcement Adorama is having the Black Panasonic GH2 in Stock (Click here). Also the Silver Panasonic GH2 (Click here) is in Stock. Also Amazon will soon have the Silver GH2 in Stock (Click here).
The five months delay may explains why Panasonics digital camera sales have fallen across all three fiscal quarters by 8.6% over the previous year (Source: Photoscala). We not only need good cameras, we also need to buy them within a reasonable time frame!