According to the specs on both cameras, (40D and D300), the Nikon has a larger area sensor.
There are those who will buy one, and revert to the other from both sides.. On Fredmiranda.com, I read just yesterday about two guys who had had very negative experiences with their Canon bodies and switched to Nikon.
You're right though, it's the same debate on Ford/Chevy type of thing.. Also agree that the lens is everything re: pix quality. With crap glass, no body from any manufacturer is going to make any better shots..
The EOS 5D seems to be roughly equivalent to the D300 but it's $600 higher in cost (according to the website)..
Still, it boils down to lenses, lenses, lenses....
Forgot to add: National Camera has the D300 on sale this weekend for $1649.. Happened upon the ad this morning...
Last edited by Redneck; 02/15/08. Reason: added info
