I'd like the option to be set so that you don't have to click the "quote this post in quick reply" button to be able to use the quick reply field.
Why? Because as it is
now Firefox doesn't automatically spell check the field unless you consciously right click and tell it to spell check.
(And yes, just fyi, it is an option in the vB Admin CP

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I'd also like to see "code" tags for Ruby and Python. That way when I type, for example:
[ruby]puts "Hello, world!"[/ruby]
I get some nice syntax-highlighted text instead of:
Code:
puts "Hello, world!"
I'd also like a "Programming Talk" forum or something like that.