Get your copy now …
Mentioned here: http://office.microsoft.com/en-us/sharepointdesigner/FX100487631033.aspx
Direct Link here:
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=baa3ad86-bfc1-4bd4-9812-d9e710d44f42
Registration required… Well, almost free