I do not think that we will see Ross Brawn in F1 once again.
Ferrari said (according to some Italian journos) that they will remap engine maps for Bahrain. I wonder what the final result will be...
Gazzeta reports that no upgrades for their car until Barcelona
And Williams will run without Martini logos in Bahrain due to alchohol advertising / banning laws
No upgrades until Europe is ridiculous but understandable when you invest 20 % of your overall budget in the salaries of two drivers. They have a similar budget as Red Bull but Vettel actually said "I have enough to have a good life, spend the rest on the car". That's why Ferrari won't be a WC as long as Alonso is around, they need to fix their ressource management.