You know how a tool you like to use seems to conform to your hand, and comes out as effortlessly as a carpenter pulls out his framing hammer from his tool belt? That comes from confidence in the tool, and that it will do it's job very well. Why stop at asking for a good thermometer for checking the mash temp? Depending on your setup (mine is cheap 'n easy) shouldn't the same thermometer be able to very accurately and very quickly and safely test the temperature of your hot liquor, sparge water, strike water, wort in regards to pitching temp, and hydrometer sample?
I'm kind of a nut for accurate notes, and hitting desired temps, but I can repeatedly quickly check temperatures with ease and confidence with my Palmer-Wahl TM 500 that Blatz recommended a few or more years ago, along with a compatible 18" (or is it 24"?) SS probe from McMaster-Carr.
Oh, the removable probe quickly detaches from the unit and the connection end sticks up above the top of a bucket full of Star San solution, so it is easy to wipe clean and sanitize too.http://www.palmerwahl.com/product_home.php?itm=604
Now I'll get off my soap box.