As all of us Raiders fans are already aware Al Davis has been on a spending spree this off-season the likes we have rarely seen in Raiderland.  We have retained some key players and members of the coaching staff, and there also have been some departures.  The main question is will all these off-season moves make the Raiders a better football team this fall.  My question today for Raider fans is which of the following will have the biggest impact on improving the Raiders when it comes time to play for real in September and why?

Additions

1. Drafting and signing Darren McFadden.
2. Acquiring DeAngelo Hall.
3. Signing Gibril Wilson.
4. Signing Javon Walker.
5. Signing Kwame Harris.
6. Signing Drew Carter.
7. Hiring receivers coach James Lofton.
8. Signing Kalimba Edwards.
9. Signing Greg Spires.

Subtraction

1. Jerry Porter going to Jacksonville.
2. Dominic Rhodes returning to the Colts.
3. Barry Simms moving across the bay to the 49ers.
4. Tyler Brayton signing with the Panthers.
5. Stuart Schweigert being released.
6. Fabian Washington being traded to the Ravens.
7. Jeremy Newberry signing with the Chargers.
8. Josh McCown signing with the Dolphins.
9. Chris Clemons signing with the Eagles.

Retaining

1. Keeping head coach Lane Kiffin.
2. Defensive coordinator Rob Ryan not leaving for the Jets.
3. Re-signing Justin Fargas.
4. Re-signing Tommy Kelly.
5. Re-signing Sam Williams.
6. Putting the franchise tag on Nnamdi Asomugha.