Here's my outline list for WSB 2007:

Xerox Ducati - Bayliss & Lanzi
Caracchi Ducati - ??
Sterilgarda Ducati - Xaus & ?? (Iannuzzo??/Giovanni Bussei?)
Pedercini Ducati - Dean Ellison & ?? (Clementi??)
Foggy Ducati?? (Hodgson?? & ??)

Alstare Suzuki - Biaggi & Kagayama
Alstare Engineering Suzuki - Neukirchner??
Celani Suzuki - Alessandro Polita

Yamaha Italia - Haga & Corser
Yamaha France - Nakatomi & ??

PSG-1 Kawasaki - Nieto & Laconi

Ten Kate Honda - Toseland & Rolfo
Klaffi Honda - ?? & ??
DFX Honda - Fabrizio & Martin
Bertocchi Honda - Brookes & Muggeridge

Any other new teams/WSS teams moving up, although I think all the WSS riders are bizarrely staying there so far.

Riders probably looking for work or possible: Pitt, Hodgson, Neukirchner, Craig Jones, and others.

Riders who have retired: Frankie Chili (to be DFX manager), Norick Abe (to be a development rider in Japan), Marco Borciani (to manage Sterilgarda Ducati without riding anymore).