Those who say the 100-400L is soft at the extremes, well, it's pretty useable if you ask me.

<img src="http://photos21.flickr.com/34105562_af32f6edc6.jpg">

And earlier that day.... in a Cessna doing a fly around the Toronto downtown core...

<img src="http://photos22.flickr.com/34095161_8e06732387_b.jpg">

Then the pilot doing some 2G turns then some zero G... which my stomach didn't like :(

Here's the <a href="http://www.flickr.com/photo_zoom.gne?id=34095161&size=o" target="_top">link</a> to it.