Preferences and setting buffer:
If you were managing your preferences from the project websites these should have been imported when you joined GridRepublic or Progress Thru Processors as GridRepublic currently is a simple a relay to change these from a central site and imports them when you join.
Where were you managing your preferences previous to joining? Was it on the project websites or within BOINC on your computer?
Too much work:
What is your resource share set to for the projects? Is Einstein higher than Rosetta?