I try to balance a mix of taste (irrespective of heat), heat (respective of taste!), and plants/pods that I plain just find interesting and that are usually unique in some way (irrespective of both taste and heat).
ATM I am searching for a set of varieties to grow every season that meet the following criteria: great tasting, highly productive, the ability to grow well in my climate, and that covers a broad spectrum of heat levels (from the completely heat-less to the extremely hot).