In general, I think breaking down the question into smaller questions and posting those is the right strategy, but in this case, I think the question is at exactly the right level of generality. So I think the right thing to do is to publicize it here. I'm opposed to posting a duplicate.
I agree that the bounty system is broken. I've been pushing for the solution proposed here, but I think it will probably take a while before it can be implemented.
]]>I'd second the proposal to ask a related, hopefully more detailed, question. You can see a fabulous (although unintentional!) example of this in my question, which didn't get very many answers, and then Noah's question on a very similar subject. The second question got an answer that we turned into a paper!
]]>Of course, you could also rewrite the question. As a general rule, if people keep give you answers that aren't what you want, that's a sign that the question isn't clear.
]]>In summary, I'd say that editiding a question for the sole purpose of bumping it to the front page is bad form. But asking the same question anew is worse, and will likely get the new question closed as a duplicate. But if you put some work into it as outlined above, it's a different matter altoghether. Then you are actually conducting a conversation about your problem, and that is good.
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