I have always been a big fan of RAM Mounts. They are top shelf mounts that a very durable and have a lifetime warranty. Many LEO, Fire, EMT, commercial and industrial companies use them as well. Here is a link to the RAM site
RAM Mounting Systems Inc.
Enough of the infomercial. LOL
I just came across a new product they are offering for mobile phones. It is called the Universal X-Grip Phone Cradle.
Here are some videos of it in action.
RAM Mounts can be purchased at the following locations.
RAM Mounting Systems, Inc. > Dealers > RAM Mount Dealers
As well as amazon.com