If you can afford to play the good double deck games in vegas the one with $50 or $100 minimums you could win with a 1-2 spread literally they are that good. You are talking a game that starts out with only a .2% advantage before comps.
And if you play a $50 min game, that is only $100 max bet, equivalent to ten times max bet in a lowly $10 shoe game. The big difference is the min bet which can rack you up in a heatbeat.
Spreading 100 to 200, leaving at TC -3, a healthy 64.53 an hour, score 18.42 1%RoR 80,000 bank and a mere 543 hours of perfect play to have an 85% chance of being ahead.
