RCR29,
Unless you have the 2005. firmware available on a thumbdrive, you will not be able to revert back to the old firmware if you find you don't like the difference.
If the picture quality is a problem, you might want to consider getting the unit serviced.
Keep me posted.
--HDTech
purchased the ln46a850 tv last friday.notice the clouding issue on a completely black screen.i have firmware 1005 which came installed with tv.is there a way to get rid of these clouds.some people have told me to try firware 1003.but if i do will i be able to get the 1005 back if i dont notice any differece.not sure if its because im looking for them but the clouding seems to be getting worse each day?

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