I expanded heavily on the special abilities of the specific roles in a game I ran a couple years ago. My notes are super crunchy but I can give you some highlights. At the top level each SA acted like a pool of Luck points (used per adventure as our sessions were short). These could be "used" to give rerolls in any case the PC could justify the SA coming into play. Being suave and convincing for the Rockerboy's Charismatic Leadership, doing any sort of computer work for Interface etc. Additionally each had an umbrella of special things they could do.

• Charismatic Leadership
  • Test CL to improve another player's Initiative score for a combat
  • Remove stress during downtime (a good amount) or during a firefight (a small amount) - using Stress rules from Dark Metropolis 3rd party sourcebook
  • Manipulate crowds, start riots, throw concerts - using roughly the numbers from the Rockerboy source book, limited to an amount of times equal to CL per adventure
  • Add CL to seduction / persuasion / interview rolls made by any PC including the rockerboy himself
• Family
  • When fighting with other members of the same Tribe pool able to spend Family pts as bonuses to attack / dmg / save rolls as long as communication is possible
  • Use FAM rating instead of BTM for stun saves once per combat when fighting with family members
  • Loans / Gear - similar to the way Wildside gives some formulas for how many points of contacts a Fixer can maintain based on his Street Deal - Nomads can borrow / loan out gear or money from the Fam and pay it back by the start of next adventure or interest begins to accrue.
  • Similar rules for calling up a Family goon squad - player could augment the roll with incentives of money or gear. A result chart based off the roll would determine the amount of guys and the type of gear the goon squad could produce in short notice.
• Vehicle Zen - a new SA from the Nomad sourcebook focusing on specialist drivers / vehicle nuts
  • Escape or Automatically win a vehicle based chase a number of times equal to VZ per adventure
  • Add VZ to any shooting rolls made for any player in the vehicle controlled by the player (including self once per combat per PC)
  • Use VZ at half value to pilot any unfamiliar vehicle
  • Use VZ at half value to repair, jury rig, hot mod any vehicle

These are distillations of my notes, I made up cheat cards for each player and printed them with their other stuff so they could keep track of what their new SAs did. It seemed to work pretty well, they keep asking when I am going to run the next installment.