I think it may be your cooking temp. While I wait for my first RecTec 700 to be delivered, we did get a new oven (very accurate temp) and I cooked a pork butt in there at 225, which even with cooking all night, never hit higher than 180, like you report. Been on a WSM for 11 years and I know I...
Investment can mean added capital for inventory (RecTeq is becoming more and more famous by the day - as I wait for my first grill) or even better access to manufacturing - it isn't always about greed.