Yeah I know, the title sounds so bloody corny, but hey, on October 25th, that's what I'm going to do. Walk into the T-Mobile store in Redmond and pickup one for me and the wife! Why is it good? checkout David Ciccone's excellent review of the T-Mobile Dash.
here's T-Mobile's official site : http://www.t-mobileregistration.com/dash/productinfo.asp#