Mobility site recently got together with Jens Greve, Sony Ericsson’s Acquisition Manager, and the result is a pretty in-depth look at the P1. Jack from MS says:

I was particularly interested in the keypad and what it would be like to use. Less than 5 minutes got me up to speed entering text probably faster than I can enter it on my Treo. I was impressed with this device and expect it will do very well in the market.

via New Launches