Here's default form inputs in Google Chrome on Linux (ubuntu) - totaly unstyled (only font changed AFAIR):

Yes, it's ugly as hell. Each input type is different size, padding, etc. Chrome on Windows it's messy too but less noticeable because of Windows default inputs:

Come on Google! Get to work and do something about it, even IE8 looks better:

and you should really aim to Firefox 3.6 on Linux amazing looks:

To Firefox team: amazing work thou it might be because of Ubuntu system theme design. Thank you. Now give me speed and flexibility of Chrome (like moving tabs between windows without reseting state of its content) and I'll switch back. I promise ;P