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ThomasB - 11:44 am on Sep 28, 2003 (gmt 0)
imho the "-" is nower days a standard for composed domain names. ( widgets-orlando.com or even sergey-brin.com ) Only if the standard changes it might have effect on the serps.
I think they already have the power to identify the keyword in "brandkeyword.com" but I think it won't be used for improving rankings as these pages are as relevant as domains with "-" in it.