Exploring the five factors that will determine the fortunes of the man filling Michael Schumacher’s shoes. Special to SPEEDtv.com from <I><b>F1 Racing</I></b> magazine.

Scuderia Toro Rosso opened eyes in its first season as a Formula 1 team.

Test Times: Jerez - 13-12

On the second day of testing Renault's driver Heikki Kovalainen was the fastest man out on track. The Renault drivers was half a second faster than Ferrari's test driver Luca Badoer. Sebastien Bourdais returned in an F1 car after four years with Toro Rosso.

Tom Walkinshaw is the proud new owner of the Elfin car company - Australia's best known manufacturer of racing machinery - and the builder of some interesting road cars in recent years.

Prodrive's David Richards has decided against building a new car for 2008.

Goodwood reveals 2007 {i}Festival of Speed{/i} theme

Prodrive founder David Richards has admitted he is taking things slowly in preparation for his team's F1 debut in 2008. Richards said the team's test programme won't commence until the end of 2007.

Sebastien Bourdais has ruled out a switch to Formula One in 2007 and plans to stay in the Champ Car series he dominates, despite his F1 test with Scuderia Toro Rosso this week.

Speed and Thompson to replace Johnson and Button in RoC

While every other Formula 1 team is currently in Jerez de la Frontera, the Spyker F1 team is working hard behind the scenes building their 2007 contender. The Silverstone based team is working on a completely new concept of their F1 car.

New team Prodrive hope to partner one of the top names when they enter F1 in 2008