I am not exactly fond of Daylight Saving Time -- or the golfer's relief act, as I call it. It doesn't create a second more daylight. But you may want to remember to change the time on your D700 -- it doesn't happen automatically and if you ever check properties of an image to see when you shot it, this will help ensure accuracy!
It's worked well for me, especially in periods when I travel a lot. As long as I know the date and where I was, the exact time is never a problem. You always have a fixed reference point. It also works well for sequencing when I shoot more than one body at a time. It doesn't take long to get used to the fact that you have to adjust the time in your head.
... and the date sometimes too. But yours is certainly a workable idea, Lee. I'd just not want to explain it to a lot of people! They used to have this solved in the former Soviet Union -- everyone was on Moscow time, I believe.
Silvio -- I often shoot with two bodies at the same time and want to get photos sorted in time sequence. By ensuring the date/times on my cameras are the same and correct, I can do this. I shoot news photos a lot of the time and sometimes want to go back to see when a particular point in an event occured. otherwise -- it's just my nature, which some might describe as "anal."