Here are all the players that had value scored of 150 or more since 1990. This should better indicate to people how often (or infrequent) that it actually happens, what positions it happens at, and how those players did value wise the following season. I can't format to save my life, but here are the results . . .
Tom Brady, 2007, 225
Daunte Culpepper, 2004, 192, 0
Peyton Manning, 2004, 187, 45
Daunte Culpepper, 2000, 168, 0
Jeff Garcia, 2000, 163, 107
Kurt Warner, 1999, 177, 0
Steve Beuerlein, 1999, 162, 8
Steve Young, 1998, 200, 0
Brett Favre, 1996, 183, 118
Vinny Testaverde, 1996, 160, 0
Brett Favre, 1995, 178, 183
Steve Young, 1994, 197, 34
Steve Young, 1992, 150, 148
Randall Cunningham, 1990, 198, 0
Warren Moon, 1990, 183, 134
LaDainian Tomlinson, 2007, 173
LaDainian Tomlinson, 2006, 268, 173
Larry Johnson, 2006, 173, 0
Steven Jackson, 2006, 168, 33
Shaun Alexander, 2005, 221, 0
Larry Johnson, 2005, 192, 173
LaDainian Tomlinson, 2005, 177, 268
Tiki Barber , 2005, 162, 82
Priest Holmes, 2003, 231, 41
LaDainian Tomlinson, 2003, 203, 130
Ahman Green, 2003, 203, 40
Jamal Lewis, 2003, 169, 0
Priest Holmes, 2002, 220, 231
Ricky Williams, 2002, 171, 90
LaDainian Tomlinson, 2002, 155, 203
Marshall Faulk, 2001, 206, 57
Marshall Faulk, 2000, 216, 206
Edgerrin James, 2000, 179, 0
Edgerrin James, 1999, 186, 179
Marshall Faulk, 1999, 185, 216
Terrell Davis, 1998, 233, 0
Jamal Anderson, 1998, 185, 0
Marshall Faulk, 1998, 155, 185
Barry Sanders, 1997, 188, 75
Terrell Davis, 1997, 162, 233
Terry Allen , 1996, 155, 0
Emmitt Smith, 1995, 225, 110
Emmitt Smith, 1994, 187, 225
Emmitt Smith, 1992, 209, 138
Thurman Thomas, 1992, 174, 94
Barry Foster, 1992, 160, 35
Barry Sanders, 1991, 169, 108
Thurman Thomas, 1991, 157, 174
Barry Sanders, 1990, 150, 169
Randy Moss, 2007, 170
Randy Moss, 2003, 163, 27
Jerry Rice, 1995, 165, 71