I actually went with a Mastebuilt 40 in vertical propane smoker about 18 months ago. About 4-5 times a year (mostly around holidays) I’ll cook for 20+ folks.
I’ve been really pleased with it. Very good, quality smoke and easy to maintain a consistent temperature. And it uses surprisingly little propane.
I have read where some folks say they can “taste” the propane in the meat. I’ve smoked turkeys, pork butts, beef & pork ribs, chicken and ham (even smoked some beans and my daughter’s favorite “smoked mac & cheese) and never had an issue with the taste.