More on Holdsworth: apparently, four teams have been looking at him - SBR, FPR, Paul Morris and Walkinshaw (who are believed to be about to absorbed by HRT). Holdsworth has said he's narrowed it down to two teams, and
he's been seen talking to both Ford Performance Racing and Stone Brothers. After Slade and van Gisbergen had such a strong showing at the Paperclip, Alex Davison appears to have fallen out of favour at SBR, and Holdsworth is tipped as a replacement. Alternatively, he could be driving the #55 Rod Nash entry at FPR. He'd get more money there, but the Stone Brothers would give him better career chances. If Holdsworth replace Davison, it's unclear as to where Davison would go.
David Reynolds is also being head-hunted, which is upset Rick Kelly to the point where Reynolds got a roasting at QR. Exactly where Reynolds would go is unclear - probably to the seat Holdsworth passes on - but Rick Kelly apparently sees him as the "future" of the team and is upset he wants to go elsewhere. Kelly's got a funny way of showing it, since he seems to get priority in the team, followed by Todd, Murphy and then Reynolds, who is effectively the fourth driver in a three-car team.
Right now, the entire driver transfer market hinges on what Holdsworth will do. I think he'll wind up at SBR, with Fabian Coulthard moving to replace him at GRM, with Davison going to Rod Nash Racing and Reynolds moving into the Walkinshaw Performance car, which will be run as a satellite of HRT. That, in turn, would open up an entry at Kelly Racing, which would probably be filled by either a returning Jason Ricahrds or a Fujitsu Development driver like Thompson, Blanchard or Percat.