The brainstorming prior to the start will show the tendencies that will evolve.
Then the honeymoon time..then the path taken.May go through phases repeating until mature...EXCITING TIMES.

I love facilitating group work...watching people come from the woodwork..how students.. revert.. regress then grow
Power...whether by status or in a persons personality corrupts (I believe) unless companioned with humility.
Even if the project blows up in the students faces they will learn a lot..
The virtual aspect will unfold much...unlike real face to face projects there will be fantasy...and no doubt fingers which press send too quickly .
will you share your finding here..or are you just asking for examples..
if so will this be a survey or open? and how will you evaluate forum experience...given that we are on an open forum..
Mountain ash