JPEG 2000 -- Pros & Cons

I'm using lossless JPEG 2000 for compressing images when I'm generating PDFs, mainly because it results in smaller files compared to using ZIP. I am interested in hearing user's experiences -- positive and negative -- when using JPEG 2000 to print from.
The best info that I have come across regarding JPEG 2000 is this document: http://www.dpconline.org/docs/reports/dpctw08-01.pdf
Any feedback most appreciated.

Krystelle,
In my experience, since I have no land line, I want the availability of telephone contact at all times. I have owned three versions of the iPhone, and have not "turned off" any one of them.
If you are concerned about battery life, I have not experienced a noticeable reduction of battery life using any one of the three versions. The only reason that I replaced them was to upgrade to a more capable device.

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