It is now very obvious for everybody that the SLR cameras from Sony do not participate to the general move in direction of the integration of video capture.
We thought so, but it has now been confirmed by the senior general manager AMC division of Sony’s Digital Imaging Business group, Toru Katsumoto: The inclusion of video will only happen when it will be bringing that feature to the level of existing Sony Handicam video cameras.
So, this is not (only) because the Sony Alpha 230, 330 and 380 are based upon a relatively old technology (but well used) that Sony most SLR cameras are not competing against Nikon D5000 and Canon EOS 500D.
Source: CNet.