Future Classic Camera - 10D, 20D, 30D, 40D, 50D, 60D, or 7D?

I stuck with my 20d for a relatively long time.  When I upgraded to a 7D I realized very quickly that the new camera was going to keep me busy for a very long time.

I tend to think that now, lenses will attain "classic" status more than camera bodies.  Especially with the way solder is now regulated such that many pieces of electronics will self-destruct in 10-20 or so years as the RoHS solder joints build crystals and short out.

I'd say the 10-20 EF-s could be a classic... the 17-40 is another.

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Cheerio...
Frank...