Friedman thinks that Benn is the closest to signing of the three (benn,subban,orielly). Essentially Benn wants lower term to save his UFA years for his next contract and the Stars want him long term which would affect how much money (more obviously) Benn wants in the deal.

Here's Friedman's take on it:
http://www.cbc.ca/sports/hockey/opin...ned-three.html

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H2H (1 win a week) 10 team $$league- keep any 5 - 2nd year
G,A,+/-,PPP,SOG,HITS,BLKS, W,GAA,S%,SO; max 2 moves a week
KoekkoekForCocoPuffs
C(3)-Kopitar, Tavares, Stamkos
LW(2)-Benn, Doan
RW(2)- Wheeler, Brouwer
W(1)-Landeskog
F(1)- O'Reilly
D(4)- Carlson, OEL, Wisniewski, Boyle
G(2)- Backstrom, Crawford, Brodeur (IR)
BN:Saad, Steen, Edler
IR:Karlsson