I haven't been able to justify the expense yet.
I currently use a "Taylor 806 E Weekend Warrior Digital Thermometer" that I bought from AMAZON for $15.82. Takes all of 3 seconds to give an accurate read.
Fast enough for ANYTHING that I need a temp for.
CMJ - KCBS
CBJ - MBN, NCBS, NCPC
OBJ - BBQCritic.com
CTC - KCBS
Pitmaster and chef - "4 Lil' Pigs" Competition BBQ Team
Author of "A 'Q' Review"
Lang Hybrid Smoker, BDS, Holland "Epic"