Check out Windows Live for Mobiles at http://mobile.live.com/GoLive/. Windows Live for Mobile offers:

Windows Live Search beta- Seach the web

Windows Live Spaces- Create and update your own space with blog entries, photos, and more. Spaces are fitted for mobile device screen.

Window Live Local- Find specific types of business. Search results include names, numbers, addresses, and approximate distances. Maps and directions are formatted for your phone’s screen. Pan and zoom in on maps to get just the level of detail you need.

Customized Homepage

Windows Live Mail- You can read, compose, and delete messages on your phone quickly. With Address Auto Complete, when you type a couple of letters in the “to” field, you’ll see a matching list of names from your contact list

Windows Live Messenger- Currently in private Beta, gives access to Windows Live messenger on your mobilr