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Our resident Lou Bruno is an excellent source for all camera information. Here is another source for those considering or already owning a Sony PMW EX1 or PMW EX3. http://tinyurl.com/yec86xb I have not yet seen these DVDs, but the index covered would indicate that they are more than just a revision of Sony's instruction manual. The URL is for a DVD for sale on ebay covering the EX1. If you look into the "Other items for sale", you will find the EX3 and several other cameras covered.
The author and producer of these DVDs is a trainer etc. for Sony. I have 0 connections with any part of the DVDs or the author. Just sharing some FYI for a source of information in addition to our own in-house resident expert. I am considering one of these cameras. "Knowledge is Power"

Here is a partial list of the credentials listed in this ebay listing:

Doug Jensen is the owner of Vortex Media, a cameraman, producer, director, editor, consultant and trainer with over 25 years of video production and post-production experience. Jensen combines his extensive production experience with his teaching skills to bring a wide-ranging, real-world perspective to his independent DVD workshops and live seminars.

As a member of Sony's Independent Certified Experts (I.C.E.) team he has taught high-definition XDCAM classes for Sony at NAB, Japan, Hollywood, New York, Boston, Philadelphia, and Pittsburgh. In the summer of 2007 Sony hired him to shoot demo footage with a pre-production EX1 camcorder, and to operate the camera during field tests conducted by Discovery Communications.

Well I got the DVD instructions in and found that an EX1 or EX3 was not for me. The $100 invested in the DVDs saved me a pile of money on not buying the EX cameras. Maybe I can resell them and recover part of my expense. I did not know that these cameras were wide screen High def only cameras. The gorgeous images that you see in demos are from the 35gbs recordings which MSUS products cannot use anyway. A comparison in the instructional DVDs showed the difference which is significant. Yes the 25gbs images are fantastic but do not compare to the 35gbs video.

Next camera of interest would be Sony's HVR-Z7U camera. Anyone have any downside comments to make about this camera. I know it has the Exmore CMOS (3) but reviews indicate no wobbly jello video unless in extreme shaking. Your feedback would be appreciated. Thanks

Bob,

It will have the partial frame flash artifact with high contrast photo flashes due to the inherent rolling shutter all current CMOS based chips use.

This "look" bothers some videographers to the point of insanity and other videogs do not consider it an issue so you have to make up your own mind.

Tim, when you say this "look", are you referring to the results of the photo flash or the general look of the overall video? I rarely ever have a shoot where camera flashes are involved. I'll leave that problem to the "Event" videographers.

Bob,

I was strictly referring to the flash artifact commonly referred to as "partials" when I said "the look".

As you mention that is not a factor in your shooting environment then the taste issue regarding partials is irrelevant.

The "jello" artifact of fast movement can be controlled to a major extent by shutter speed and with the three larger CMOS chips that the Z7 has you have a lot of control there.

I have the Z-5 and am open to questions. I like the archive to tape and the extra flash drive unit which works well in Bogart SE.

The Z-7 has the same chip but a 12X lens-that is why it is more "light sensitive" tha the 20X. Personally, I prefer the 20X lens on the Z-5 andthe NOT so front heavy lens of the Z-7.

Lou I just purchased the Z5 with remote lens control and the Sony VCLHG0872K wide-angle lens kit and matte box. I too like the availability of a 20X zoom. The flash card unit is not std with the Z5 as it is with the Z7. Any suggestions for a good supplier at a good price for someone reliable such as B&H Photo??