If you'd like to see some of the cool new devices coming soon from Microsoft's Windows Mobile hardware partners, check out the recently posted Channel 9 video at http://channel9.msdn.com/ShowPost.aspx?PostID=95972 The Samsung SGH-i300 is just one of the devices included with it's 3GB hard drive!
Eric Engineer comments on the developer additions in Windows Mobile 5 such as managed API's.