The gameplan is simple:
Get Data Folding or Tri-maf Contact out early.
Then get a Drug Dealer or two out early and rocket through your deck ASAP to get the rest of your drip your Logos in play, and a Paperclip in the heap.
Start assembling the rig at a breakneck pace. Generally once it becomes clear that the deck isn't going to try to run until all 3 breakers and a good drip is going, the corp is going to rush its agendas out, and Iain only has about 5 turns to finish his rig. This normally is the death of shaper decks that are too greedy, but the steady drip of drugs combined with Logos and the fact that Paperclip doesn't take a click to install, means that once the corp scores two agendas Iain can finish his rig up significantly faster than many shapers, who can handle the programs mighty quick but have a hard time assembling the resources to support them.
Once Iain finishes the rig, it becomes quite fearsome, being powered by a drip of 8 each turn, with any turn the corp doesn't install netting him 2 credits per Tri-Maf he has up. With high quality efficiency breakers that means as long as the corp doesn't have more than one scoring remote up Iain can run every turn to ensure the corp will not have a score window for the rest of the game.