If you are talking new - The Akorn is certainly in that description; a multi-purpose/multi-temp cooker.
There are many options if you are talking buying used (Bubba Keg/Primo/Kamodo, etc)
Then there are the train of thought of getting a kettle - multi function, too when properly schooled.
Cooking at Mason-Dixon BBQ Services
Lang 84 Deluxe Kitchen known as "The Glamazon" , Custom Klose Backyard Chef... of Snot, and a 22.5 WSM
Lang 60 Mobile - The Damsel II, Lang 48 Patio - The Damsel, Bubba Keg Grill - RIP, Double Barrel Smoker and a BSKD