Can you tell I love the back roads of America?
http://www.bobatkins.com/photography/reviews/new_canon_500_600_lenses_2011.html here's some information about new Canon lenses. Whew, are they expensive! The new 200-400 f/4 with a built in 1.4 extender is interesting. However, I bet the price is somewhere north of $7000. Makes my cheesy 100-400 look pretty good! ;)