Oh, I really don't like group work, unless I know that my group members are responsible and will do the work.
For example, when we had to do a group project in AP Psychology, I was fine because my group members were pretty smart and knew what they were doing. Even then, though, I gave myself the bulk of the work to do because I wanted a quality product to be handed in.
Often, I won't trust my fellow group members to follow deadlines, etc., especially if I know they're bad with that sort of thing, so I end up doing most of the work. That's fine with me, though, because I'd rather have a good product done by me (even if the group members got credit for my work) then a crappy product with parts done by every member of the group.
The only exception to this is when the product involves drawing or hand-writing something- then I let someone with better artistic skills/handwriting do it, because I am deficient in both of those areas.