[greymule]

I do have the one from POS+ (BB168). I didn't realize until I looked at it just now that "POS+" is embossed on it.

It is indeed heavy, but that doesn't bother me.

To me, its disadvantages are as follows:
1. The numbers are small and with the reflective metal are difficult to see at night.
2. The wheels can become hard to turn. If you don't oil them, your fingertips will scrape the notches and become raw by the time a game ends.
3. The "braille" takes a lot of getting used to. Until you have used it enough to make an instant association between feel and number, it's quicker just to look at it.
4. You don't count notches. It's more like morse code. Plus, the wheels don't all expose the same fraction of their circles, and with the code for strike 1 different from that of ball 1, each wheel has a unique feel for each number. You're also feeling each wheel with a different finger and at a different angle, so it takes a lot of use before you "know" the indicator.
5. No ball 4, strike 3, out 3. (To some, that may be a plus.)
6. It is expensive.

Its advantages:
1. It is very rugged and would probably survive unscathed after being run over by a truck. It is built to last forever.
2. It disassembles easily for cleaning and lubrication.
3. It has an "innings" wheel at the bottom. This is especially useful for tallying the score each inning in slow pitch softball, except that you have to remember how many times you've gone around zero. Did they score 12 or 22?

Incidentally, POS+ advertises another "heavy-duty steel" indicator (BB171A) similar in appearance and for a buck less, but with plastic wheels and without the braille. I have it, too, and actually like it better, but it's made of aluminum, not steel.

Some umps around here are using the POS+ BB169, which is the easiest indicator to read and is designed to be read in poor light. It's inexpensive and plastic, and has no ball 4, strike 3, out 3, or innings. However, it's large and easy to use. It might be the most practical indicator yet. It may not be rugged, but if it encounters the aforementioned truck, you still have three left for the price of the braille indicator.