I posted this in the Jusnes section but I think it might get more views here. I'm planning to order a tuner from Bob but I'm having a tough time knowing which tunes to pick. I have access to 91/93/94 octane premium fuel. I figure I'll likely only run one tune and just leave it in 24/7. Would there be enough improvement (relative to cost as well) going from 91 to 94 octane to justify getting tunes for 94 octane? Then do I get torque or performance? Most of my driving is in town. Eiching1 figured a 91 torque and performance and a 94 torque might be the best mix. Any other suggestions?