[Alter Kaker]

You know, when I'm trying to find basic facts about something, I find Wikipedia is there to help more often than not: Feathered dinosaurs.

[count-your-change]

Yes, I looked there too. Informative and interesting but really one sided. But so be it, we can find the con to the pro.

Here in abstract is the con argument:
Feduccia, T. Lingham-Soliar, and J.R. Hinchliffe, Do feathered dinosaurs exist? Testing the hypothesis on neontological and paleontological evidence, Journal of Morphology 266:125–166, 2005