Were in week 7.. and Harvin hasn't so much as shown up on the injury report that I'm aware of... I'm probably taking Harvin. Dont forget, that although it seems like Holmes had just shown up the last year or so. .. he's bounced around for quite some time and both are 26
With Harvin, its not so much a health concern as it is a scheme concern. Not sure the Seahawks have figured out a way to use him effectively yet. He has big play potentially obviously as he had 3 TD's called back the other week. I think Holmes may be more consistent going forward but Harvin will have more high scoring potential as in boom or bust.
whether you think holmes is the real thing or not, one more week is needed to trust him... Good thing is that Harvin has much more name power, that you should be able to make the trade next week too even if harvin does not have a great game...