The Griffin by GeekVape has one of the biggest build decks on a RTA out there. Along with the great airflow get ready huge clouds and lots of flavor.
This large RTA (25mm) offering from Tobeco brings the features of more popular RTAs like the Griffin at a great price; under 20 bucks!
The Augvape Merlin is a single coil, bottom airflow, top-fill flavor RTA that provides a restricted lung hit, smooth draw and dense, delicious flavorful clouds.
Wotofo has made some significant upgrades to the Troll for version 2 making it one of the best, affordable RDAs. Significant airflow, deep well, and deck improvements provide a mix of great flavor and huge clouds.