Great looking Q! I used to live by my electronic thermometers (iGrill & Maverick) but now-a-days pretty much just use the high/low alarms to bump me when the pit or food needs something - I can relate to kickin back and a relaxed cook.
Weber 26.75 OTG w/CI grates & SJ/WSM Mini
Home built 24"x72" reverse flow stick burner trailer with 18"x44" grill w/CI grates and upright SS gas oven/smoker.
Home built 48" fire pit with a 30"x30" Santa Maria style ranch grill.
Home built lump charcoal retort, iGrill & a bunch of other cooking toys.