We'll know a lot more about how 2006 will unfold after this weekend in Imola. Traditionally, the start of the European season is when all the teams introduce bits and pieces that have been in the pipeline for weeks but weren't quite ready for the start of the season. There are also engine upgrades for those eligible for a change.
The first three races have provided some clues as to where everyone's true level is, but perhaps the most confusing situation is that of Toyota.
In Bahrain, the white and red cars were miles off the pace, struggling to get temperature into their Bridgestones even in the desert conditions. In Australia, everyone else had similar problems, but in part because extra homework on tyre temperatures had paid off, Toyota suffered less than others. Riding his luck through the safety car periods, Ralf Schumacher even overcame a drive-through penalty to charge on to the podium.