>>
>> If there were a Ruby plugin for Visual Studio, I would have gone 
>> straight to that, and been willing to pay, say, $200 for it, but 
>> there isn't, so I went on a great Ruby editor hunt.
>
I'd suggest looking at Sapphire in Steel[1] - it's still in beta, but it 
seems to be the Ruby plugin for Visual Studio that you are really 
looking for.  Personally I can't stand VS, but to each his own.

Kev

[1] http://sapphiresteel.com/2006/03/28/11/