What is the difference between the TRV900 and the PD100?
The PD100 is the “professional” version of the TRV900 and is sold by Sony Professional (if you call the Sony consumer division, they won’t have a listing for it). The current model (Fall 1999) is the PD100a, a “fixed” version which avoids the hollow or ringing sound some people observed in the PD100 audio. The PD100/PD100a is a different color, but is mostly the same inside and out as the TRV900, with some exceptions as noted below. I have a feature comparison (of the PAL versions) from Sony Professional. Vincent Chan has some side-by-side photos from the two cameras (PAL version). The information below based on a post to rec.video.desktop by (malcolm at abbeyvision demon co uk).