Inesoft Dialer is an easy-to-use replacement of default dialer on Windows Mobile device. Because my current job is tightly related to the dialer on our deivces, it's always good to try other solutions and learn from them.
I like the design of listing Caller IDs in a horizontal bar. By finger flickering, you can slide through the contacts that match the filter string.
However, to be honest, our art design is much better than theirs.