The winter classic jerseys come with blue laces.
Any winter classic jerseys with white lace are probably fake.
The new 3rd jersey however, does come with white lace, but has a different reebok logo on the neck.
http://community.post-gazette.com/blogs/emptynetters/archive/2008/11/05/penguins-new-uniforms-unveiled-11-05-08.aspx