Absolutely. I just heard about the standard theory. Alternate theories are always fascinating.
Here’s another article; the ‘not dinosaur’ theory is that of a small minority. (But I’m one of those who believe the Ivory Billed Woodpecker may still be around, so I guess I’m a sucker for ‘alternate’ ideas ;-)
http://www.ucmp.berkeley.edu/diapsids/avians.html