Amazon, of all places, has the Zalman CNPS7000B-AlCu for $28.99 with free shipping.
Linky
Please note that this link has the bargainshare.com referral in it (that's where I found the deal). If you guys have an Amazon affiliate link please feel free to modify the link to that.
And if you are looking for the CNPS7700-AlCu, then it is only $33.99 - also a SMOKING hot price.
CNPS7700-AlCu
Great price on Zalman 7000B-AlCu (28.99), 7700 (33.99) USD
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