A star-studded list of potential NBA free agents if they excercise their "Early Termination Option". It is believed that most of them will opt for free agency and become unrestricted free agents. There are also some big named restricted nba free agents, but most are not expected to go anywhere.

Top NBA Unrestricted Free Agents
Gilbert Arenas	PG	Washington Wizards	Re-signing with the Wizards, 6 years, $111 million
Elton Brand	PF	Los Angeles Clippers	Signing with the 76ers, 5 years, $82 million
Antawn Jamison	PF	Washington Wizards	Re-signed with the Wizards, 4 years, $50 million
Shawn Marion	SF	Miami Heat	Not opting out of contract
Baron Davis	PG	Golden State Warriors	Signing with the Clippers, 5 years, $65 million
Corey Maggette	SF	Los Angeles Clippers	Signing with the Warriors, 5 years, $50 million
Allen Iverson	SG	Denver Nuggets	Not opting out of contract
Ron Artest	SF	Sacramento Kings	Not opting out of contract
Jermaine O'Neal	PF/C	Toronto Raptors	Not opting out of contract
Chris Duhon	PG	Chicago Bulls	Signed with the Knicks, 2 years
Stephon Marbury	PG	New York Knicks	Not opting out of contract
James Posey	SF	Boston Celtics	Signed with the Hornets, 4 years and an estimated $25 million
Ricky Davis	SF	Miami Heat	Signed with the LA Clippers for 2 years for a reported $4.7 million with a opt out clause after the first year
Kwame Brown	C	Memphis Grizzlies	Signed with the Pistons, 2 years, $8 million with a player option for the 2nd year
Kurt Thomas	C	San Antonio Spurs	Re-signed with the Spurs
Keyon Dooling	PG	New Jersey Nets	UFA
Carlos Arroyo	PG	Orlando Magic	Signed with Maccabi Tel-Aviv
Bostjan Nachbar	SF	New Jersey Nets	UFA
Brent Barry	SG	San Antonio Spurs	Signed with the Rockets, 2 years
Eduardo Najera	PF	Denver Nuggets	Signed with the Nets
Sebastian Telfair	PG	Minnesota Timberwolves	Re-signed with the Wolves, 2 years with a player option for a 3rd
Jarvis Hayes	SF	Detroit Pistons	Signed with the Nets
Sam Cassell	PG	Boston Celtics	UFA
Maurice Evans	SG	Orlando Magic	Signed with the Hawks
Roger Mason	PG	Washington Wizards	Signed with the Spurs

*ETO - Early Termination Option

Top Restricted that are HIGHLY unlikely to move anywhere
Josh Smith	SF	Atlanta Hawks	Signed a 5 year, $58 million offer sheet from the Grizzlies, it was matched by the Hawks
Emeka Okafor	PF	Charlotte Bobcats	Re-signed with the Bobcats for 6 years, $72 million
Luol Deng	SF	Chicago Bulls	Re-signed with the Bulls for 6 years, $71 million
Monta Ellis	SG	Golden State Warriors	Re-signed with the Warriors, 6 years, $67 million.
Andre Iguodala	SF	Philadelphia 76ers	RFA
Jose Calderon	PG	Toronto Raptors	Re-signed with the Raptors
Ben Gordon	SG	Chicago Bulls	RFA
Daniel Gibson	PG	Cleveland Cavaliers	Re-signed with the Cavaliers to a multi-year contract
Ronny Turiaf	C	Los Angeles Lakers	Signed with the Warriors, 4 years, $17 million
Nenad Krstic	PF/C	New Jersey Nets	Signed with a Russian team for 2 years, for a salary equivalent of $9 million US per season.
Carlos Delfino	SG	Toronto Raptors	RFA