It took some time to decide if I wanted to get the Canon 70-200 IS 2.8L or the Canon 100-400 IS 4.5-5.6L. I finally chose the 100-400 to put on my crop 40D.
Here are a couple of images from the weekend.
http://farm3.static.flickr.com/2196/...9810f706_o.jpg
http://farm3.static.flickr.com/2271/...2988e1e6_o.jpg
http://farm4.static.flickr.com/3194/...02db211f_o.jpg
http://farm3.static.flickr.com/2040/...57bdfa76_o.jpg