I like the fact that you don't have to open up the whole thread . . . but it's not like that was a difficult thing to do before.  With this new format, it's difficult to see who's responding to who.  This is going to be especially a problem with arguments, a definite high point of the message board experience anywhere.  Am I missing something?

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Try using the 'quote' button.  Then people will know who you are respoding to.

It'll take some getting used to, but I think overall it's a better format.