In addition to the Thermapen, I also have purchased the ThermoWorks COMBO THERMOMETER-INFRARED WITH FOLD OUT PROBE. While not as fast as the Thermapen, 8-10 seconds, you can get surface temps with the IR optic read. The price is $59.00 each.
UDS with Weber rotisserie, Blue Weber Performer with gas assist, Smoke Hollow elec. smoker, SJG mini-WSM, White thermapen, Blue-Backlight thermapen, Maverick ET-732 x 2, BernzOmatic JT-850 Weed Burner, BernzOmatic TS8000BZKC Hand Torch.