I haven't. We are "locked in" (no pun intended) to a specific electronic box in our MLS.

We use these in addition to the Supra lockbox:

Master Lock 5401D Select Access Wall-Mounted Key Storage Box with Set-Your-Own Combination Lock 
by Unknown 
Link: http://amzn.com/B0002YP1VC

I don't care about looks I look or security

I just use the Sentrilock box that our board uses

Max,
Will it stand up to bolt cutters?

Small numbers would be hard to open in the dark.

Do you really want to trust a property you are responsible for to a $19 lock?

I have not seen them.

 We do not have that style here in our area.

No I have never heard of them

As much as I hate Sentrilock, it's what I use.  It's good to be able to get a record of who's been in.

I only use electronic boxes.  If I have to have a secondary box for vendors I use masterlock because of the closer over the dial.

I like Vault Locks. I haven't tried the Kingsley brand.

Looks more sleek but I'd be afraid of those numbers getting frozen in my area.

Perhaps I am wrong, but it doesn't look like something that would track entries.  

Never used them. They are expensive. I use Vault combo boxes.  Stainless steel. Cost closer to $30.00.

never heard of it, doesn't look functioal if the top hook has to disconect to get the keys out.

We use supra, rented from the MLS as part of our fees.

Our MLS specifies the kind of lockboxes to use.

we use the SUPRA boxes.

 Supra lockbox is what we use and love it.

I have never heard of them.  I would only use electronic lockboxes and our association supports Supra.

I had not seen them, but would love to be able to check it out in person to see home many keys fit. I need to explore Amazon more on a second note

not at $20.00.... I pay $9 bucks I think for old school lock boxes 

No.

Sorry, no, I only use the iBox (Supra) electronic keybox...no combo boxes as they do not provide the security my clients deserve.