rails best practices where to place unobtrusive javascript

my rails applications (all 2.3.5) use a total mix of inline javascript, rjs, prototype and jquery. Let's call it learning or growing pains. Lately i have been more and more infatuated with unobtrusive javascript. It makes your html clean, in the same way css cleaned it up.

Can Mustache Templates do template extension?

I'm new to Mustache.

Many templating languages (e.g., Django / Jinja ) will let you extend a "parent" template like so...

How unique is PHP"s __autoload()?

PHP's __autoload() ( documentation ) is pretty interesting to me. Here's how it works:

Is there a reason I should not start with C#

I think I'm leaning toward C# and .net as a concentration language for learning web development. I would like to learn good programming fundamentals and I've looked at pretty much everything else. The four I've narrowed it down to have been C#, Python, Ruby and PHP. Is there a reason to stay away from C# (and I don't think the cost issue would really apply to my solo-developer situation but I could be totally wrong). Any thoughts?

How do you use scripting language (PHP, Python, etc) to improve your productivity?

I'm a Delphi developer on the Windows platform, recently read the PHP tutorial at W3CSchools, it looks interesting.

Playframework vs Ruby On Rails

Yet another LanguageX vs LanguageY question....