With all the possible line combinations that are being thrown around with Staal centering Geno's line,  I don't know if that would be the best choice.  Cooke-Staal-Kennedy, also known as "Sesame Street", has proven to be the top 3rd line in the National Hockey League.  When Cooke, Staal, or Kennedy was on the ice while in an even strength situation in the 09-10 season, they were playing on the same line over 33% of the time, obviously developing some great chemistry.

If I were to make the lineup at this point in time, it would be as follows:

Kunitz-Crosby-Comrie

Talbot-Malkin-Dupuis

Cooke-Staal-Kennedy

Adams-Rupp-Asham/Tangradi

The 3rd line has so much chemistry going, so why waste it by grouping talent on the 2nd line and weakening our checking lines and forecheckers?  Once Tangradi develops fully, then moving him to the 3rd line and Staal up to center Geno's line would make sense, but until then who knows for sure.