I keep lists of related gems on delicious that could help.

> * colorized output

http://delicious.com/tag/gem:cs=color

> * sensible option parsing

http://delicious.com/tag/gem:type=opt


> Does that sort of thing exist? I've noticed there are some apparently
> more powerful alternatives like Thor, which is more of a full-stack
> scripting framework, and I'm wondering what else might be useful to
> take a look at.

More libraries like thor at http://delicious.com/tag/gem:type=task

I'd vote for thor over commander for most of what you need. Much more 
widely used and less verbose DSL.

Gabriel
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