Need yet-more-qualities?
Here's some ideas:
http://nighthawks.org.uk/shadowrun/SR4_Qualities
Quick Learner (5, 15 or 25 BP)
For each skill & upgrading a skill:
- For 5BP - learning a specific skill costs 1 karma less.
- For 10BP - learning skills within a certain skill group cost 1 karma less.
- For 25BP - learning skills that default to a specific attribute cost 1 karma less.